45156378 has 24 divisors (see below), whose sum is σ = 92302272. Its totient is φ = 14727544.

The previous prime is 45156359. The next prime is 45156427. The reversal of 45156378 is 87365154.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11551 + ... + 14957.

It is an arithmetic number, because the mean of its divisors is an integer number (3845928).

Almost surely, 2^45156378 is an apocalyptic number.

45156378 is an abundant number, since it is smaller than the sum of its proper divisors (47145894).

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

45156378 is a wasteful number, since it uses less digits than its factorization.

45156378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3506 (or 3459 counting only the distinct ones).

The product of its digits is 100800, while the sum is 39.

The square root of 45156378 is about 6719.8495518873. The cubic root of 45156378 is about 356.1008688207.

The spelling of 45156378 in words is "forty-five million, one hundred fifty-six thousand, three hundred seventy-eight".