45555340 has 12 divisors (see below), whose sum is σ = 95666256. Its totient is φ = 18222128.

The previous prime is 45555329. The next prime is 45555379. The reversal of 45555340 is 4355554.

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, 1138864 + ... + 1138903.

It is an arithmetic number, because the mean of its divisors is an integer number (7972188).

Almost surely, 2^45555340 is an apocalyptic number.

It is an amenable number.

45555340 is an abundant number, since it is smaller than the sum of its proper divisors (50110916).

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

45555340 is a wasteful number, since it uses less digits than its factorization.

45555340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2277776 (or 2277774 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 31.

The square root of 45555340 is about 6749.4696087915. The cubic root of 45555340 is about 357.1465265909.

The spelling of 45555340 in words is "forty-five million, five hundred fifty-five thousand, three hundred forty".