45685512 has 32 divisors (see below), whose sum is σ = 126904800. Its totient is φ = 15228432.

The previous prime is 45685501. The next prime is 45685513. The reversal of 45685512 is 21558654.

45685512 is a `hidden beast` number, since 45 + 68 + 551 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (45685513) 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 7 ways as a sum of consecutive naturals, for example, 105538 + ... + 105969.

It is an arithmetic number, because the mean of its divisors is an integer number (3965775).

Almost surely, 2^45685512 is an apocalyptic number.

It is an amenable number.

45685512 is an abundant number, since it is smaller than the sum of its proper divisors (81219288).

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

45685512 is a wasteful number, since it uses less digits than its factorization.

45685512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211522 (or 211512 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

The square root of 45685512 is about 6759.1058580259. The cubic root of 45685512 is about 357.4863789291.

The spelling of 45685512 in words is "forty-five million, six hundred eighty-five thousand, five hundred twelve".