45931020 has 48 divisors (see below), whose sum is σ = 129185280. Its totient is φ = 12193216.

The previous prime is 45931013. The next prime is 45931027. The reversal of 45931020 is 2013954.

45931020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (45931013) and next prime (45931027).

It is not an unprimeable number, because it can be changed into a prime (45931027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12739 + ... + 15941.

It is an arithmetic number, because the mean of its divisors is an integer number (2691360).

Almost surely, 2^45931020 is an apocalyptic number.

It is an amenable number.

45931020 is an abundant number, since it is smaller than the sum of its proper divisors (83254260).

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

45931020 is a wasteful number, since it uses less digits than its factorization.

45931020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3454 (or 3452 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 45931020 is about 6777.2428022021. The cubic root of 45931020 is about 358.1255970373.

Adding to 45931020 its reverse (2013954), we get a palindrome (47944974).

The spelling of 45931020 in words is "forty-five million, nine hundred thirty-one thousand, twenty".