| U-145 | Type IID |
| Feldpost Number | M 26 997 |
| Construction Yard | Deutsche Werke AG, Kiel-Gaarden |
| Yard Number | 274 |
| Ordered | 25th Sep 1939 |
| Keel laid | 29th Mar 1940 |
| Launched | 21st Sep 1940 |
| Commissioned | 16th Oct 1940 |
| Baubelehrung | Baubelehrung U-Boote Ostsee, Kiel |
| Training, Flotillas and Duties |
| 10.40 - 12.40 | 1.U-Flottille, Kiel Ausbildungsboot (under training)
|
| 01.41 - 05.45 | 22.U-Flottille, Gotenhafen.Wilhelmshaven Schulboot (training boat) Frontboot (operational)
|
| Commanders |
| 10.40 - 12.40 | OL Heinrich Driver see also: U-23 U-371 |
| 12.40 - 10.41 | KL Rudolf Franzius see also: U-438 |
| 10.41 - 11.41 | OL Heinz Schomburg see also: U-561 |
| 11.41 - 12.42 | KK Reimar Ziesmer see also: U-236 U-591 |
| 12.42 - 03.44 | OL Otto Hübschen see also: U-7 U-60 U-121 U-2501 U-2542 |
| 03.44 - 11.44 | OL Horst Hübsch see also: U-78 |
| 11.44 - 05.45 | OL Friedrich-Karl Görner see also: U-145 |