45113520 has 40 divisors (see below), whose sum is σ = 139852656. Its totient is φ = 12030208.

The previous prime is 45113501. The next prime is 45113521. The reversal of 45113520 is 2531154.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (45113521) 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, 93747 + ... + 94226.

Almost surely, 2^45113520 is an apocalyptic number.

45113520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45113520 is an abundant number, since it is smaller than the sum of its proper divisors (94739136).

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

45113520 is a wasteful number, since it uses less digits than its factorization.

45113520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187989 (or 187983 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 45113520 is about 6716.6598841984. The cubic root of 45113520 is about 355.9881745009.

Adding to 45113520 its reverse (2531154), we get a palindrome (47644674).

The spelling of 45113520 in words is "forty-five million, one hundred thirteen thousand, five hundred twenty".