Gen 6:15 "This is the way you are to make it: the length of the ark shall be three hundred cubits, its width fifty cubits, and its height thirty cubits (450' x 75' x 45').
Num 2:16 "The total of the numbered men [in the three tribes on the south side] in the camp of Reuben was 151,450, by their armies. They shall move out second [on the march].
1 Kin 18:19 "Now then, send word and gather to me all Israel at Mount Carmel, together with the 450 prophets of Baal and the 400 prophets of [the goddess] Asherah, who eat at [Queen] Jezebel's table."
1 Kin 18:22 Then Elijah said to the people, "I alone remain a prophet of the LORD, while Baal's prophets are 450 men.