144242432 has 18 divisors (see below), whose sum is σ = 287921928. Its totient is φ = 72121088.

The previous prime is 144242431. The next prime is 144242447. The reversal of 144242432 is 234242441.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144242431) 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 as a sum of consecutive naturals, namely, 281468 + ... + 281979.

Almost surely, 2^144242432 is an apocalyptic number.

It is an amenable number.

144242432 is a deficient number, since it is larger than the sum of its proper divisors (143679496).

144242432 is an frugal number, since it uses more digits than its factorization.

144242432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563463 (or 563449 counting only the distinct ones).

The product of its digits is 6144, while the sum is 26.

The square root of 144242432 is about 12010.0970853695. The cubic root of 144242432 is about 524.4422581755.

Adding to 144242432 its reverse (234242441), we get a palindrome (378484873).

Subtracting 144242432 from its reverse (234242441), we obtain a palindrome (90000009).

The spelling of 144242432 in words is "one hundred forty-four million, two hundred forty-two thousand, four hundred thirty-two".