45156402 has 12 divisors (see below), whose sum is σ = 97838910. Its totient is φ = 15052128.

The previous prime is 45156359. The next prime is 45156427. The reversal of 45156402 is 20465154.

45156402 is a `hidden beast` number, since 4 + 5 + 15 + 640 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 42263001 + 2893401 = 6501^2 + 1701^2 .

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, 1254327 + ... + 1254362.

Almost surely, 2^45156402 is an apocalyptic number.

45156402 is an abundant number, since it is smaller than the sum of its proper divisors (52682508).

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

45156402 is a wasteful number, since it uses less digits than its factorization.

45156402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2508697 (or 2508694 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 45156402 is about 6719.8513376413. The cubic root of 45156402 is about 356.1009319083.

The spelling of 45156402 in words is "forty-five million, one hundred fifty-six thousand, four hundred two".