45038520 has 48 divisors (see below), whose sum is σ = 146376360. Its totient is φ = 12010176.

The previous prime is 45038507. The next prime is 45038527. The reversal of 45038520 is 2583054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45038527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62194 + ... + 62913.

Almost surely, 2^45038520 is an apocalyptic number.

45038520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45038520 is an abundant number, since it is smaller than the sum of its proper divisors (101337840).

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

45038520 is a wasteful number, since it uses less digits than its factorization.

45038520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125124 (or 125117 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 45038520 is about 6711.0744296275. The cubic root of 45038520 is about 355.7907915266.

The spelling of 45038520 in words is "forty-five million, thirty-eight thousand, five hundred twenty".