45332644 has 18 divisors (see below), whose sum is σ = 92284710. Its totient is φ = 19428192.

The previous prime is 45332641. The next prime is 45332647. The reversal of 45332644 is 44623354.

45332644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (45332641) and next prime (45332647).

It can be written as a sum of positive squares in only one way, i.e., 31360000 + 13972644 = 5600^2 + 3738^2 .

It is a super-2 number, since 2×45332644² = 4110097224061472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45332641) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 115449 + ... + 115840.

Almost surely, 2^45332644 is an apocalyptic number.

It is an amenable number.

45332644 is an abundant number, since it is smaller than the sum of its proper divisors (46952066).

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

45332644 is a wasteful number, since it uses less digits than its factorization.

45332644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231307 (or 231298 counting only the distinct ones).

The product of its digits is 34560, while the sum is 31.

The square root of 45332644 is about 6732.9521014188. The cubic root of 45332644 is about 356.5636087762.

Adding to 45332644 its reverse (44623354), we get a palindrome (89955998).

The spelling of 45332644 in words is "forty-five million, three hundred thirty-two thousand, six hundred forty-four".