45310520 has 32 divisors (see below), whose sum is σ = 102377520. Its totient is φ = 18048000.

The previous prime is 45310513. The next prime is 45310547. The reversal of 45310520 is 2501354.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 45310492 and 45310501.

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, 7784 + ... + 12296.

Almost surely, 2^45310520 is an apocalyptic number.

45310520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45310520 is an abundant number, since it is smaller than the sum of its proper divisors (57067000).

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

45310520 is a wasteful number, since it uses less digits than its factorization.

45310520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4775 (or 4771 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 45310520 is about 6731.3089366036. The cubic root of 45310520 is about 356.5055939460.

Adding to 45310520 its reverse (2501354), we get a palindrome (47811874).

The spelling of 45310520 in words is "forty-five million, three hundred ten thousand, five hundred twenty".