A145 is a standard SAP Table which is used to store Sales Deal - Customer/Material data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The A145 table consists of various fields, each holding specific information or linking keys about Sales Deal - Customer/Material data available in SAP. These include KAPPL (Application), KSCHL (Condition type), KNUMA_AG (Sales deal), VKORG (Sales Organization)... See below for full list along with technical details, documentation, text table, check tables, foreign key relationships, conversion routines, relevant tcodes and example ABAP select code etc. .