45251165644 has 12 divisors (see below), whose sum is σ = 80371473784. Its totient is φ = 22287887424.

The previous prime is 45251165633. The next prime is 45251165653. The reversal of 45251165644 is 44656115254.

It is a self number, because there is not a number n which added to its sum of digits gives 45251165644.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84423549 + ... + 84424084.

Almost surely, 2^45251165644 is an apocalyptic number.

It is an amenable number.

45251165644 is a deficient number, since it is larger than the sum of its proper divisors (35120308140).

45251165644 is a wasteful number, since it uses less digits than its factorization.

45251165644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168847704 (or 168847702 counting only the distinct ones).

The product of its digits is 576000, while the sum is 43.

The spelling of 45251165644 in words is "forty-five billion, two hundred fifty-one million, one hundred sixty-five thousand, six hundred forty-four".