45316020 has 24 divisors (see below), whose sum is σ = 126885024. Its totient is φ = 12084256.

The previous prime is 45315989. The next prime is 45316043. The reversal of 45316020 is 2061354.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377574 + ... + 377693.

It is an arithmetic number, because the mean of its divisors is an integer number (5286876).

Almost surely, 2^45316020 is an apocalyptic number.

It is an amenable number.

45316020 is an abundant number, since it is smaller than the sum of its proper divisors (81569004).

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

45316020 is a wasteful number, since it uses less digits than its factorization.

45316020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755279 (or 755277 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 45316020 is about 6731.7174628768. The cubic root of 45316020 is about 356.5200181270.

Adding to 45316020 its reverse (2061354), we get a palindrome (47377374).

The spelling of 45316020 in words is "forty-five million, three hundred sixteen thousand, twenty".