1445235604 has 12 divisors (see below), whose sum is σ = 2563808884. Its totient is φ = 712718784.

The previous prime is 1445235581. The next prime is 1445235643. The reversal of 1445235604 is 4065325441.

It can be written as a sum of positive squares in 2 ways, for example, as 1012512400 + 432723204 = 31820^2 + 20802^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1445235604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2474427 + ... + 2475010.

Almost surely, 2^1445235604 is an apocalyptic number.

It is an amenable number.

1445235604 is a deficient number, since it is larger than the sum of its proper divisors (1118573280).

1445235604 is a wasteful number, since it uses less digits than its factorization.

1445235604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4949514 (or 4949512 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 1445235604 is about 38016.2544709497. The cubic root of 1445235604 is about 1130.6101604642.

The spelling of 1445235604 in words is "one billion, four hundred forty-five million, two hundred thirty-five thousand, six hundred four".