45197632 has 14 divisors (see below), whose sum is σ = 89689178. Its totient is φ = 22598784.

The previous prime is 45197629. The next prime is 45197641. The reversal of 45197632 is 23679154.

It can be written as a sum of positive squares in only one way, i.e., 44943616 + 254016 = 6704^2 + 504^2 .

It is a junction number, because it is equal to n+sod(n) for n = 45197591 and 45197600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353043 + ... + 353170.

Almost surely, 2^45197632 is an apocalyptic number.

It is an amenable number.

45197632 is a deficient number, since it is larger than the sum of its proper divisors (44491546).

45197632 is an equidigital number, since it uses as much as digits as its factorization.

45197632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706225 (or 706215 counting only the distinct ones).

The product of its digits is 45360, while the sum is 37.

The square root of 45197632 is about 6722.9184139033. The cubic root of 45197632 is about 356.2092781196.

The spelling of 45197632 in words is "forty-five million, one hundred ninety-seven thousand, six hundred thirty-two".