'Forty five' in the Bible

If five of the fifty righteous are lacking, will You destroy the entire city for lack of five?” And He said, “If I find [at least] forty-five [righteous people] there, I will not destroy it.”

And now, look, the Lord has let me live, just as He said, these forty-five years since the Lord spoke this word to Moses, when Israel wandered in the wilderness; and now, look at me, I am eighty-five years old today.

And it was covered with cedar [as a roof] on the supporting beams that were upon the forty-five pillars, fifteen in each row.