45643232 has 24 divisors (see below), whose sum is σ = 95147136. Its totient is φ = 21478912.

The previous prime is 45643219. The next prime is 45643261. The reversal of 45643232 is 23234654.

45643232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 45643195 and 45643204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41408 + ... + 42495.

It is an arithmetic number, because the mean of its divisors is an integer number (3964464).

Almost surely, 2^45643232 is an apocalyptic number.

It is an amenable number.

45643232 is an abundant number, since it is smaller than the sum of its proper divisors (49503904).

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

45643232 is a wasteful number, since it uses less digits than its factorization.

45643232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83930 (or 83922 counting only the distinct ones).

The product of its digits is 17280, while the sum is 29.

The square root of 45643232 is about 6755.9775014427. The cubic root of 45643232 is about 357.3760654077.

Adding to 45643232 its reverse (23234654), we get a palindrome (68877886).

The spelling of 45643232 in words is "forty-five million, six hundred forty-three thousand, two hundred thirty-two".