45647212 has 24 divisors (see below), whose sum is σ = 86697072. Its totient is φ = 20904000.

The previous prime is 45647207. The next prime is 45647219. The reversal of 45647212 is 21274654.

It is not an unprimeable number, because it can be changed into a prime (45647219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3462 + ... + 10162.

It is an arithmetic number, because the mean of its divisors is an integer number (3612378).

Almost surely, 2^45647212 is an apocalyptic number.

It is an amenable number.

45647212 is a deficient number, since it is larger than the sum of its proper divisors (41049860).

45647212 is a wasteful number, since it uses less digits than its factorization.

45647212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6849 (or 6847 counting only the distinct ones).

The product of its digits is 13440, while the sum is 31.

The square root of 45647212 is about 6756.2720489927. The cubic root of 45647212 is about 357.3864526023.

The spelling of 45647212 in words is "forty-five million, six hundred forty-seven thousand, two hundred twelve".