144424432 has 10 divisors (see below), whose sum is σ = 279822368. Its totient is φ = 72212208.

The previous prime is 144424421. The next prime is 144424433. The reversal of 144424432 is 234424441.

It is a self number, because there is not a number n which added to its sum of digits gives 144424432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144424433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4513248 + ... + 4513279.

Almost surely, 2^144424432 is an apocalyptic number.

It is an amenable number.

144424432 is a deficient number, since it is larger than the sum of its proper divisors (135397936).

144424432 is an equidigital number, since it uses as much as digits as its factorization.

144424432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9026535 (or 9026529 counting only the distinct ones).

The product of its digits is 12288, while the sum is 28.

The square root of 144424432 is about 12017.6716546925. The cubic root of 144424432 is about 524.6627397016.

Adding to 144424432 its reverse (234424441), we get a palindrome (378848873).

Subtracting 144424432 from its reverse (234424441), we obtain a palindrome (90000009).

The spelling of 144424432 in words is "one hundred forty-four million, four hundred twenty-four thousand, four hundred thirty-two".