45172518670 has 32 divisors (see below), whose sum is σ = 83249451648. Its totient is φ = 17638621728.

The previous prime is 45172518649. The next prime is 45172518683. The reversal of 45172518670 is 7681527154.

It is a self number, because there is not a number n which added to its sum of digits gives 45172518670.

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, 739017 + ... + 797803.

It is an arithmetic number, because the mean of its divisors is an integer number (2601545364).

Almost surely, 2^45172518670 is an apocalyptic number.

45172518670 is a deficient number, since it is larger than the sum of its proper divisors (38076932978).

45172518670 is a wasteful number, since it uses less digits than its factorization.

45172518670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60624.

The product of its (nonzero) digits is 470400, while the sum is 46.

The spelling of 45172518670 in words is "forty-five billion, one hundred seventy-two million, five hundred eighteen thousand, six hundred seventy".