142344232 has 16 divisors (see below), whose sum is σ = 271271700. Its totient is φ = 70005120.

The previous prime is 142344229. The next prime is 142344239. The reversal of 142344232 is 232443241.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 114190596 + 28153636 = 10686^2 + 5306^2 .

It is a junction number, because it is equal to n+sod(n) for n = 142344197 and 142344206.

It is not an unprimeable number, because it can be changed into a prime (142344239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145357 + ... + 146332.

Almost surely, 2^142344232 is an apocalyptic number.

It is an amenable number.

142344232 is a deficient number, since it is larger than the sum of its proper divisors (128927468).

142344232 is a wasteful number, since it uses less digits than its factorization.

142344232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291756 (or 291752 counting only the distinct ones).

The product of its digits is 4608, while the sum is 25.

The square root of 142344232 is about 11930.8101988088. The cubic root of 142344232 is about 522.1315757828.

Adding to 142344232 its reverse (232443241), we get a palindrome (374787473).

Subtracting 142344232 from its reverse (232443241), we obtain a palindrome (90099009).

The spelling of 142344232 in words is "one hundred forty-two million, three hundred forty-four thousand, two hundred thirty-two".