45540545156 has 12 divisors (see below), whose sum is σ = 79814377692. Its totient is φ = 22736437248.

The previous prime is 45540545117. The next prime is 45540545177. The reversal of 45540545156 is 65154504554.

It can be written as a sum of positive squares in 2 ways, for example, as 12929964100 + 32610581056 = 113710^2 + 180584^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8455805 + ... + 8461188.

It is an arithmetic number, because the mean of its divisors is an integer number (6651198141).

Almost surely, 2^45540545156 is an apocalyptic number.

It is an amenable number.

45540545156 is a deficient number, since it is larger than the sum of its proper divisors (34273832536).

45540545156 is a wasteful number, since it uses less digits than its factorization.

45540545156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16917670 (or 16917668 counting only the distinct ones).

The product of its (nonzero) digits is 1200000, while the sum is 44.

The spelling of 45540545156 in words is "forty-five billion, five hundred forty million, five hundred forty-five thousand, one hundred fifty-six".