45015228 has 36 divisors (see below), whose sum is σ = 114041928. Its totient is φ = 14971680.

The previous prime is 45015169. The next prime is 45015239. The reversal of 45015228 is 82251054.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19158 + ... + 21378.

Almost surely, 2^45015228 is an apocalyptic number.

It is an amenable number.

45015228 is an abundant number, since it is smaller than the sum of its proper divisors (69026700).

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

45015228 is a wasteful number, since it uses less digits than its factorization.

45015228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2794 (or 2789 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 45015228 is about 6709.3388645976. The cubic root of 45015228 is about 355.7294476806.

The spelling of 45015228 in words is "forty-five million, fifteen thousand, two hundred twenty-eight".