45156168 has 24 divisors (see below), whose sum is σ = 122298150. Its totient is φ = 15052032.

The previous prime is 45156109. The next prime is 45156173. The reversal of 45156168 is 86165154.

It can be written as a sum of positive squares in only one way, i.e., 30272004 + 14884164 = 5502^2 + 3858^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 313513 + ... + 313656.

Almost surely, 2^45156168 is an apocalyptic number.

It is an amenable number.

45156168 is an abundant number, since it is smaller than the sum of its proper divisors (77141982).

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

45156168 is a wasteful number, since it uses less digits than its factorization.

45156168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627181 (or 627174 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 45156168 is about 6719.8339265193. The cubic root of 45156168 is about 356.1003168035.

The spelling of 45156168 in words is "forty-five million, one hundred fifty-six thousand, one hundred sixty-eight".