'Forty four' in the Bible

And I heard the number of them who were sealed: and there were sealed a hundred and forty four thousand of all the tribes of the children of Israel.

And I looked, and lo, a lamb stood on the mount Sion, and with him a hundred and forty four thousand, having his Father's name written in their foreheads.

And they sung as it were a new song before the throne, and before the four beasts, and the elders: and no man could learn that song but the hundred and forty four thousand, who were redeemed from the earth.

And he measured the wall of it a hundred and forty four cubits, according to the measure of a man, that is, of the angel.