Has an AFL game ever ended 45-33?
Exactly once. On June 3, 1907, Sydney beat Geelong 45-33, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 45-33 in league history.
That makes 45-33 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 46-33 has happened never and 45-34 has happened 3 times.