45165400 has 48 divisors (see below), whose sum is σ = 120014640. Its totient is φ = 15484800.

The previous prime is 45165371. The next prime is 45165433. The reversal of 45165400 is 456154.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14731 + ... + 17530.

It is an arithmetic number, because the mean of its divisors is an integer number (2500305).

Almost surely, 2^45165400 is an apocalyptic number.

45165400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45165400 is an abundant number, since it is smaller than the sum of its proper divisors (74849240).

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

45165400 is a wasteful number, since it uses less digits than its factorization.

45165400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32284 (or 32275 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 45165400 is about 6720.5208131513. The cubic root of 45165400 is about 356.1245829171.

The spelling of 45165400 in words is "forty-five million, one hundred sixty-five thousand, four hundred".