One hundred forty-four — a dozen dozens

144 is the twelfth Fibonacci number and the only square Fibonacci number besides 1: 12² = 144. This makes it exceptional in mathematics. It appears in nature in shell spirals and leaf arrangements.

A gross is a unit of quantity equal to 144 (12×12). Widely used in trade before the metric system for wholesale of small goods: pencils, buttons, eggs. The word comes from French 'gros' — 'large'.

In the Book of Revelation, 144,000 (12 × 12,000) denotes the number of 'sealed' from the tribes of Israel. Jehovah's Witnesses take this as a literal number of the elect. In numerology, 1+4+4=9 — the number of completion.