45725880 has 64 divisors (see below), whose sum is σ = 137640960. Its totient is φ = 12152448.

The previous prime is 45725879. The next prime is 45725887. The reversal of 45725880 is 8852754.

It is a super-2 number, since 2×45725880² = 4181712203548800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45725887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55149 + ... + 55971.

It is an arithmetic number, because the mean of its divisors is an integer number (2150640).

Almost surely, 2^45725880 is an apocalyptic number.

45725880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45725880 is an abundant number, since it is smaller than the sum of its proper divisors (91915080).

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

45725880 is a wasteful number, since it uses less digits than its factorization.

45725880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300 (or 1296 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 39.

The square root of 45725880 is about 6762.0913924614. The cubic root of 45725880 is about 357.5916403213.

The spelling of 45725880 in words is "forty-five million, seven hundred twenty-five thousand, eight hundred eighty".