45817212 has 24 divisors (see below), whose sum is σ = 122179456. Its totient is φ = 13090608.

The previous prime is 45817199. The next prime is 45817241. The reversal of 45817212 is 21271854.

It is a self number, because there is not a number n which added to its sum of digits gives 45817212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272638 + ... + 272805.

Almost surely, 2^45817212 is an apocalyptic number.

45817212 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

45817212 is an abundant number, since it is smaller than the sum of its proper divisors (76362244).

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

45817212 is a wasteful number, since it uses less digits than its factorization.

45817212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545457 (or 545455 counting only the distinct ones).

The product of its digits is 4480, while the sum is 30.

The square root of 45817212 is about 6768.8412597726. The cubic root of 45817212 is about 357.8295642225.

The spelling of 45817212 in words is "forty-five million, eight hundred seventeen thousand, two hundred twelve".