45212204 has 24 divisors (see below), whose sum is σ = 83311200. Its totient is φ = 21426944.

The previous prime is 45212201. The next prime is 45212213. The reversal of 45212204 is 40221254.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (45212201) 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, 8222 + ... + 12570.

It is an arithmetic number, because the mean of its divisors is an integer number (3471300).

Almost surely, 2^45212204 is an apocalyptic number.

It is an amenable number.

45212204 is a deficient number, since it is larger than the sum of its proper divisors (38098996).

45212204 is a wasteful number, since it uses less digits than its factorization.

45212204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4489 (or 4487 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 45212204 is about 6724.0020820937. The cubic root of 45212204 is about 356.2475553746.

Adding to 45212204 its reverse (40221254), we get a palindrome (85433458).

The spelling of 45212204 in words is "forty-five million, two hundred twelve thousand, two hundred four".