45243532 has 6 divisors (see below), whose sum is σ = 79176188. Its totient is φ = 22621764.

The previous prime is 45243521. The next prime is 45243533. The reversal of 45243532 is 23534254.

It is a self number, because there is not a number n which added to its sum of digits gives 45243532.

It is not an unprimeable number, because it can be changed into a prime (45243533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5655438 + ... + 5655445.

Almost surely, 2^45243532 is an apocalyptic number.

It is an amenable number.

45243532 is a deficient number, since it is larger than the sum of its proper divisors (33932656).

45243532 is a wasteful number, since it uses less digits than its factorization.

45243532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11310887 (or 11310885 counting only the distinct ones).

The product of its digits is 14400, while the sum is 28.

The square root of 45243532 is about 6726.3312437019. The cubic root of 45243532 is about 356.3298189058.

Adding to 45243532 its reverse (23534254), we get a palindrome (68777786).

The spelling of 45243532 in words is "forty-five million, two hundred forty-three thousand, five hundred thirty-two".