445 = 5 x 89.
445 has two representations as a sum of two squares: 445 = 22 + 212 = 112 + 182.
445 is the hypotenuse of two primitive Pythagorean triples: 4452 = 842 + 4372 = 2032 + 3962.
445 is a divisor of 344 - 1.
445 has a base 10 representation (445) that is the reverse of its base 9 representation (544).
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjEp8rymRSin3EO2W-7g6znh16qII056RaOdDRkOYMwBFDc07MAdV6phwuLxki7Xft0Jt5hapCXkSmixzKs6uQ2oY2Kwi2CcYRqZa47rdzjwmEL5zXijYFrG-d5lS-vzZOAS2nNjeI3x7U/s200/n0445.jpg)