45023600 has 30 divisors (see below), whose sum is σ = 108170160. Its totient is φ = 18009280.

The previous prime is 45023593. The next prime is 45023609. The reversal of 45023600 is 632054.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45023609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55880 + ... + 56679.

It is an arithmetic number, because the mean of its divisors is an integer number (3605672).

Almost surely, 2^45023600 is an apocalyptic number.

45023600 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45023600 is an abundant number, since it is smaller than the sum of its proper divisors (63146560).

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

45023600 is a wasteful number, since it uses less digits than its factorization.

45023600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112577 (or 112566 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 45023600 is about 6709.9627420724. The cubic root of 45023600 is about 355.7514993467.

Adding to 45023600 its reverse (632054), we get a palindrome (45655654).

The spelling of 45023600 in words is "forty-five million, twenty-three thousand, six hundred".