45008538 has 16 divisors (see below), whose sum is σ = 90571296. Its totient is φ = 14910480.

The previous prime is 45008531. The next prime is 45008543. The reversal of 45008538 is 83580054.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 45008499 and 45008508.

It is not an unprimeable number, because it can be changed into a prime (45008531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22033 + ... + 23988.

It is an arithmetic number, because the mean of its divisors is an integer number (5660706).

Almost surely, 2^45008538 is an apocalyptic number.

45008538 is an abundant number, since it is smaller than the sum of its proper divisors (45562758).

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

45008538 is a wasteful number, since it uses less digits than its factorization.

45008538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46189.

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 45008538 is about 6708.8402872628. The cubic root of 45008538 is about 355.7118244005.

The spelling of 45008538 in words is "forty-five million, eight thousand, five hundred thirty-eight".