45538680 has 64 divisors (see below), whose sum is σ = 149040000. Its totient is φ = 11039360.

The previous prime is 45538673. The next prime is 45538693. The reversal of 45538680 is 8683554.

It is a happy number.

It is a super-2 number, since 2×45538680² = 4147542752284800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15930 + ... + 18569.

It is an arithmetic number, because the mean of its divisors is an integer number (2328750).

Almost surely, 2^45538680 is an apocalyptic number.

45538680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45538680 is an abundant number, since it is smaller than the sum of its proper divisors (103501320).

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

45538680 is a wasteful number, since it uses less digits than its factorization.

45538680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34524 (or 34520 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 45538680 is about 6748.2353248831. The cubic root of 45538680 is about 357.1029840438.

The spelling of 45538680 in words is "forty-five million, five hundred thirty-eight thousand, six hundred eighty".