45189215856 has 120 divisors (see below), whose sum is σ = 134647413264. Its totient is φ = 14098544640.

The previous prime is 45189215849. The next prime is 45189215861. The reversal of 45189215856 is 65851298154.

45189215856 is a `hidden beast` number, since 4 + 51 + 8 + 9 + 2 + 1 + 585 + 6 = 666.

45189215856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 392095 + ... + 494081.

Almost surely, 2^45189215856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45189215856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67323706632).

45189215856 is an abundant number, since it is smaller than the sum of its proper divisors (89458197408).

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

45189215856 is a wasteful number, since it uses less digits than its factorization.

45189215856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102199 (or 102190 counting only the distinct ones).

The product of its digits is 3456000, while the sum is 54.

The spelling of 45189215856 in words is "forty-five billion, one hundred eighty-nine million, two hundred fifteen thousand, eight hundred fifty-six".