43457132 has 12 divisors (see below), whose sum is σ = 77297136. Its totient is φ = 21372240.

The previous prime is 43457077. The next prime is 43457149. The reversal of 43457132 is 23175434.

It is a happy number.

43457132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 43457095 and 43457104.

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, 88808 + ... + 89295.

It is an arithmetic number, because the mean of its divisors is an integer number (6441428).

Almost surely, 2^43457132 is an apocalyptic number.

It is an amenable number.

43457132 is a deficient number, since it is larger than the sum of its proper divisors (33840004).

43457132 is a wasteful number, since it uses less digits than its factorization.

43457132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178168 (or 178166 counting only the distinct ones).

The product of its digits is 10080, while the sum is 29.

The square root of 43457132 is about 6592.2023633987. The cubic root of 43457132 is about 351.5769172175.

The spelling of 43457132 in words is "forty-three million, four hundred fifty-seven thousand, one hundred thirty-two".