142404232 has 16 divisors (see below), whose sum is σ = 268208640. Its totient is φ = 70881936.

The previous prime is 142404209. The next prime is 142404233. The reversal of 142404232 is 232404241.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (142404233) by changing a digit.

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, 38128 + ... + 41695.

It is an arithmetic number, because the mean of its divisors is an integer number (16763040).

Almost surely, 2^142404232 is an apocalyptic number.

It is an amenable number.

142404232 is a deficient number, since it is larger than the sum of its proper divisors (125804408).

142404232 is a wasteful number, since it uses less digits than its factorization.

142404232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80052 (or 80048 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 142404232 is about 11933.3244320265. The cubic root of 142404232 is about 522.2049272947.

Adding to 142404232 its reverse (232404241), we get a palindrome (374808473).

Subtracting 142404232 from its reverse (232404241), we obtain a palindrome (90000009).

The spelling of 142404232 in words is "one hundred forty-two million, four hundred four thousand, two hundred thirty-two".