45489200 has 30 divisors (see below), whose sum is σ = 109288764. Its totient is φ = 18195520.

The previous prime is 45489149. The next prime is 45489233. The reversal of 45489200 is 298454.

It is an unprimeable number.

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, 56462 + ... + 57261.

Almost surely, 2^45489200 is an apocalyptic number.

45489200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45489200 is an abundant number, since it is smaller than the sum of its proper divisors (63799564).

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

45489200 is a wasteful number, since it uses less digits than its factorization.

45489200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113741 (or 113730 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 45489200 is about 6744.5681848433. The cubic root of 45489200 is about 356.9736005608.

The spelling of 45489200 in words is "forty-five million, four hundred eighty-nine thousand, two hundred".