45663228 has 36 divisors (see below), whose sum is σ = 124306728. Its totient is φ = 14050080.

The previous prime is 45663209. The next prime is 45663239. The reversal of 45663228 is 82236654.

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 45663192 and 45663201.

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, 48318 + ... + 49253.

Almost surely, 2^45663228 is an apocalyptic number.

It is an amenable number.

45663228 is an abundant number, since it is smaller than the sum of its proper divisors (78643500).

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

45663228 is a wasteful number, since it uses less digits than its factorization.

45663228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97594 (or 97589 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 45663228 is about 6757.4572140710. The cubic root of 45663228 is about 357.4282458237.

The spelling of 45663228 in words is "forty-five million, six hundred sixty-three thousand, two hundred twenty-eight".