45145712664 has 64 divisors (see below), whose sum is σ = 135051285600. Its totient is φ = 13890987648.

The previous prime is 45145712659. The next prime is 45145712671. The reversal of 45145712664 is 46621754154.

45145712664 is a `hidden beast` number, since 4 + 5 + 14 + 571 + 2 + 6 + 64 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8035959 + ... + 8041574.

Almost surely, 2^45145712664 is an apocalyptic number.

It is an amenable number.

45145712664 is an abundant number, since it is smaller than the sum of its proper divisors (89905572936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45145712664 is a wasteful number, since it uses less digits than its factorization.

45145712664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16077561 (or 16077551 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The spelling of 45145712664 in words is "forty-five billion, one hundred forty-five million, seven hundred twelve thousand, six hundred sixty-four".