45532432 has 20 divisors (see below), whose sum is σ = 96239376. Its totient is φ = 20696480.

The previous prime is 45532393. The next prime is 45532439. The reversal of 45532432 is 23423554.

It is a self number, because there is not a number n which added to its sum of digits gives 45532432.

It is not an unprimeable number, because it can be changed into a prime (45532439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129178 + ... + 129529.

Almost surely, 2^45532432 is an apocalyptic number.

It is an amenable number.

45532432 is an abundant number, since it is smaller than the sum of its proper divisors (50706944).

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

45532432 is a wasteful number, since it uses less digits than its factorization.

45532432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258726 (or 258720 counting only the distinct ones).

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

The square root of 45532432 is about 6747.7723731614. The cubic root of 45532432 is about 357.0866515436.

Adding to 45532432 its reverse (23423554), we get a palindrome (68955986).

The spelling of 45532432 in words is "forty-five million, five hundred thirty-two thousand, four hundred thirty-two".