Has an AFL game ever ended 141-45?
Exactly once. On September 4, 1948, Sydney beat Geelong 141-45, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 141-45 in league history.
That makes 141-45 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 142-45 has happened never and 141-46 has happened 2 times.