45648181864 has 16 divisors (see below), whose sum is σ = 87411412800. Its totient is φ = 22338471792.

The previous prime is 45648181829. The next prime is 45648181921. The reversal of 45648181864 is 46818184654.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60701994 + ... + 60702745.

It is an arithmetic number, because the mean of its divisors is an integer number (5463213300).

Almost surely, 2^45648181864 is an apocalyptic number.

It is an amenable number.

45648181864 is a deficient number, since it is larger than the sum of its proper divisors (41763230936).

45648181864 is a wasteful number, since it uses less digits than its factorization.

45648181864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121404792 (or 121404788 counting only the distinct ones).

The product of its digits is 5898240, while the sum is 55.

The spelling of 45648181864 in words is "forty-five billion, six hundred forty-eight million, one hundred eighty-one thousand, eight hundred sixty-four".