45717632 has 16 divisors (see below), whose sum is σ = 91078350. Its totient is φ = 22858752.

The previous prime is 45717631. The next prime is 45717649. The reversal of 45717632 is 23671754.

It can be written as a sum of positive squares in only one way, i.e., 44408896 + 1308736 = 6664^2 + 1144^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 45717592 and 45717601.

It is not an unprimeable number, because it can be changed into a prime (45717631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178457 + ... + 178712.

Almost surely, 2^45717632 is an apocalyptic number.

It is an amenable number.

45717632 is a deficient number, since it is larger than the sum of its proper divisors (45360718).

45717632 is an equidigital number, since it uses as much as digits as its factorization.

45717632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357183 (or 357171 counting only the distinct ones).

The product of its digits is 35280, while the sum is 35.

The square root of 45717632 is about 6761.4814944655. The cubic root of 45717632 is about 357.5701383243.

The spelling of 45717632 in words is "forty-five million, seven hundred seventeen thousand, six hundred thirty-two".