45453232 has 40 divisors (see below), whose sum is σ = 97060752. Its totient is φ = 20448000.

The previous prime is 45453229. The next prime is 45453253. The reversal of 45453232 is 23235454.

It is a self number, because there is not a number n which added to its sum of digits gives 45453232.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16498 + ... + 19054.

Almost surely, 2^45453232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45453232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48530376).

45453232 is an abundant number, since it is smaller than the sum of its proper divisors (51607520).

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

45453232 is a wasteful number, since it uses less digits than its factorization.

45453232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2677 (or 2671 counting only the distinct ones).

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

The square root of 45453232 is about 6741.9012155326. The cubic root of 45453232 is about 356.8794902223.

Adding to 45453232 its reverse (23235454), we get a palindrome (68688686).

It can be divided in two parts, 4545 and 3232, that added together give a palindrome (7777).

The spelling of 45453232 in words is "forty-five million, four hundred fifty-three thousand, two hundred thirty-two".