1445323564 has 6 divisors (see below), whose sum is σ = 2529316244. Its totient is φ = 722661780.

The previous prime is 1445323543. The next prime is 1445323567. The reversal of 1445323564 is 4653235441.

It is not an unprimeable number, because it can be changed into a prime (1445323567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180665442 + ... + 180665449.

Almost surely, 2^1445323564 is an apocalyptic number.

It is an amenable number.

1445323564 is a deficient number, since it is larger than the sum of its proper divisors (1083992680).

1445323564 is a wasteful number, since it uses less digits than its factorization.

1445323564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361330895 (or 361330893 counting only the distinct ones).

The product of its digits is 172800, while the sum is 37.

The square root of 1445323564 is about 38017.4113269170. The cubic root of 1445323564 is about 1130.6330970825.

The spelling of 1445323564 in words is "one billion, four hundred forty-five million, three hundred twenty-three thousand, five hundred sixty-four".