45228204 has 72 divisors (see below), whose sum is σ = 132027168. Its totient is φ = 12787200.

The previous prime is 45228203. The next prime is 45228223. The reversal of 45228204 is 40282254.

It is a happy number.

45228204 is a `hidden beast` number, since 452 + 2 + 8 + 204 = 666.

It is not an unprimeable number, because it can be changed into a prime (45228203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24564 + ... + 26340.

Almost surely, 2^45228204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45228204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66013584).

45228204 is an abundant number, since it is smaller than the sum of its proper divisors (86798964).

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

45228204 is a wasteful number, since it uses less digits than its factorization.

45228204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1895 (or 1890 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 45228204 is about 6725.1917444784. The cubic root of 45228204 is about 356.2895741817.

The spelling of 45228204 in words is "forty-five million, two hundred twenty-eight thousand, two hundred four".