45522939 has 32 divisors (see below), whose sum is σ = 77451264. Its totient is φ = 23093280.

The previous prime is 45522887. The next prime is 45522943. The reversal of 45522939 is 93922554.

It is not a de Polignac number, because 45522939 - 2⁷ = 45522811 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 45522897 and 45522906.

It is not an unprimeable number, because it can be changed into a prime (45522959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7642 + ... + 12224.

It is an arithmetic number, because the mean of its divisors is an integer number (2420352).

Almost surely, 2^45522939 is an apocalyptic number.

45522939 is a deficient number, since it is larger than the sum of its proper divisors (31928325).

45522939 is a wasteful number, since it uses less digits than its factorization.

45522939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4647.

The product of its digits is 97200, while the sum is 39.

The square root of 45522939 is about 6747.0689191678. The cubic root of 45522939 is about 357.0618336352.

The spelling of 45522939 in words is "forty-five million, five hundred twenty-two thousand, nine hundred thirty-nine".