432231144 has 16 divisors (see below), whose sum is σ = 1080577920. Its totient is φ = 144077040.

The previous prime is 432231139. The next prime is 432231187. The reversal of 432231144 is 441132234.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 18009631 = 432231144 / (4 + 3 + 2 + 2 + 3 + 1 + 1 + 4 + 4).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9004792 + ... + 9004839.

It is an arithmetic number, because the mean of its divisors is an integer number (67536120).

Almost surely, 2^432231144 is an apocalyptic number.

It is an amenable number.

432231144 is an abundant number, since it is smaller than the sum of its proper divisors (648346776).

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

432231144 is a wasteful number, since it uses less digits than its factorization.

432231144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18009640 (or 18009636 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 432231144 is about 20790.1694076792. The cubic root of 432231144 is about 756.0874314491.

Adding to 432231144 its reverse (441132234), we get a palindrome (873363378).

The spelling of 432231144 in words is "four hundred thirty-two million, two hundred thirty-one thousand, one hundred forty-four".