45669472 has 24 divisors (see below), whose sum is σ = 91182672. Its totient is φ = 22512000.

The previous prime is 45669469. The next prime is 45669487. The reversal of 45669472 is 27496654.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7779 + ... + 12322.

It is an arithmetic number, because the mean of its divisors is an integer number (3799278).

Almost surely, 2^45669472 is an apocalyptic number.

It is an amenable number.

45669472 is a deficient number, since it is larger than the sum of its proper divisors (45513200).

45669472 is a wasteful number, since it uses less digits than its factorization.

45669472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20182 (or 20174 counting only the distinct ones).

The product of its digits is 362880, while the sum is 43.

The square root of 45669472 is about 6757.9192063830. The cubic root of 45669472 is about 357.4445366873. Note that the first 3 decimals are identical.

The spelling of 45669472 in words is "forty-five million, six hundred sixty-nine thousand, four hundred seventy-two".