45621688 has 32 divisors (see below), whose sum is σ = 98402400. Its totient is φ = 19423872.

The previous prime is 45621683. The next prime is 45621701. The reversal of 45621688 is 88612654.

It is a self number, because there is not a number n which added to its sum of digits gives 45621688.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45621683) 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, 6198 + ... + 11386.

It is an arithmetic number, because the mean of its divisors is an integer number (3075075).

Almost surely, 2^45621688 is an apocalyptic number.

It is an amenable number.

45621688 is an abundant number, since it is smaller than the sum of its proper divisors (52780712).

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

45621688 is a wasteful number, since it uses less digits than its factorization.

45621688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5359 (or 5355 counting only the distinct ones).

The product of its digits is 92160, while the sum is 40.

The square root of 45621688 is about 6754.3828733645. The cubic root of 45621688 is about 357.3198283614.

The spelling of 45621688 in words is "forty-five million, six hundred twenty-one thousand, six hundred eighty-eight".