'Forty four' in the Bible

And I heard the number of those who were sealed, one hundred and forty-four thousands, having been sealed out of every tribe of the sons of Israel.

And I looked, and lo, the Lamb stood on Mount Zion. And with Him were a hundred and forty-four thousands, having His Father's name written in their foreheads.

And they sang as it were a new song before the throne and before the four living creatures and the elders. And no one could learn that song except the hundred and forty-four thousands who were redeemed from the earth.

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