43800132 has 24 divisors (see below), whose sum is σ = 103195456. Its totient is φ = 14457888.

The previous prime is 43800103. The next prime is 43800139. The reversal of 43800132 is 23100834.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 43800099 and 43800108.

It is not an unprimeable number, because it can be changed into a prime (43800139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16483 + ... + 18954.

Almost surely, 2^43800132 is an apocalyptic number.

It is an amenable number.

43800132 is an abundant number, since it is smaller than the sum of its proper divisors (59395324).

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

43800132 is a wasteful number, since it uses less digits than its factorization.

43800132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35547 (or 35545 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 43800132 is about 6618.1668156673. The cubic root of 43800132 is about 352.4994738687.

Adding to 43800132 its reverse (23100834), we get a palindrome (66900966).

The spelling of 43800132 in words is "forty-three million, eight hundred thousand, one hundred thirty-two".