45531430432 has 24 divisors (see below), whose sum is σ = 90176780736. Its totient is φ = 22629390912.

The previous prime is 45531430421. The next prime is 45531430447. The reversal of 45531430432 is 23403413554.

It is a happy number.

It is a super-2 number, since 2×45531430432² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4254708 + ... + 4265395.

It is an arithmetic number, because the mean of its divisors is an integer number (3757365864).

Almost surely, 2^45531430432 is an apocalyptic number.

It is an amenable number.

45531430432 is a deficient number, since it is larger than the sum of its proper divisors (44645350304).

45531430432 is a wasteful number, since it uses less digits than its factorization.

45531430432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8520280 (or 8520272 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 45531430432 its reverse (23403413554), we get a palindrome (68934843986).

The spelling of 45531430432 in words is "forty-five billion, five hundred thirty-one million, four hundred thirty thousand, four hundred thirty-two".