45205538 has 24 divisors (see below), whose sum is σ = 79891200. Its totient is φ = 19125288.

The previous prime is 45205483. The next prime is 45205547. The reversal of 45205538 is 83550254.

It is a Curzon number.

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, 4823 + ... + 10661.

It is an arithmetic number, because the mean of its divisors is an integer number (3328800).

Almost surely, 2^45205538 is an apocalyptic number.

45205538 is a deficient number, since it is larger than the sum of its proper divisors (34685662).

45205538 is a wasteful number, since it uses less digits than its factorization.

45205538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5934 (or 5927 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 45205538 is about 6723.5063768840. The cubic root of 45205538 is about 356.2300463637.

The spelling of 45205538 in words is "forty-five million, two hundred five thousand, five hundred thirty-eight".