142530232 has 16 divisors (see below), whose sum is σ = 287801640. Its totient is φ = 65783136.

The previous prime is 142530217. The next prime is 142530233. The reversal of 142530232 is 232035241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142530233) 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, 685138 + ... + 685345.

Almost surely, 2^142530232 is an apocalyptic number.

It is an amenable number.

142530232 is an abundant number, since it is smaller than the sum of its proper divisors (145271408).

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

142530232 is a wasteful number, since it uses less digits than its factorization.

142530232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370502 (or 1370498 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 142530232 is about 11938.6025982943. The cubic root of 142530232 is about 522.3588984311.

Adding to 142530232 its reverse (232035241), we get a palindrome (374565473).

The spelling of 142530232 in words is "one hundred forty-two million, five hundred thirty thousand, two hundred thirty-two".