45633128 has 8 divisors (see below), whose sum is σ = 85562130. Its totient is φ = 22816560.

The previous prime is 45633073. The next prime is 45633131. The reversal of 45633128 is 82133654.

It can be written as a sum of positive squares in only one way, i.e., 44328964 + 1304164 = 6658^2 + 1142^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 45633094 and 45633103.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2852063 + ... + 2852078.

Almost surely, 2^45633128 is an apocalyptic number.

It is an amenable number.

45633128 is a deficient number, since it is larger than the sum of its proper divisors (39929002).

45633128 is a wasteful number, since it uses less digits than its factorization.

45633128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5704147 (or 5704143 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 45633128 is about 6755.2296778126. The cubic root of 45633128 is about 357.3496927920.

The spelling of 45633128 in words is "forty-five million, six hundred thirty-three thousand, one hundred twenty-eight".