45878512165 has 24 divisors (see below), whose sum is σ = 59066209440. Its totient is φ = 34114826304.

The previous prime is 45878512157. The next prime is 45878512181. The reversal of 45878512165 is 56121587854.

It is a happy number.

It is not a de Polignac number, because 45878512165 - 2³ = 45878512157 is a prime.

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, 180894 + ... + 352816.

It is an arithmetic number, because the mean of its divisors is an integer number (2461092060).

Almost surely, 2^45878512165 is an apocalyptic number.

It is an amenable number.

45878512165 is a deficient number, since it is larger than the sum of its proper divisors (13187697275).

45878512165 is a wasteful number, since it uses less digits than its factorization.

45878512165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172053 (or 172000 counting only the distinct ones).

The product of its digits is 2688000, while the sum is 52.

The spelling of 45878512165 in words is "forty-five billion, eight hundred seventy-eight million, five hundred twelve thousand, one hundred sixty-five".