142542232 has 32 divisors (see below), whose sum is σ = 310014720. Its totient is φ = 60176160.

The previous prime is 142542217. The next prime is 142542251. The reversal of 142542232 is 232245241.

It is a junction number, because it is equal to n+sod(n) for n = 142542197 and 142542206.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 15244 + ... + 22747.

It is an arithmetic number, because the mean of its divisors is an integer number (9687960).

Almost surely, 2^142542232 is an apocalyptic number.

It is an amenable number.

142542232 is an abundant number, since it is smaller than the sum of its proper divisors (167472488).

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

142542232 is a wasteful number, since it uses less digits than its factorization.

142542232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38071 (or 38067 counting only the distinct ones).

The product of its digits is 3840, while the sum is 25.

The square root of 142542232 is about 11939.1051590980. The cubic root of 142542232 is about 522.3735576155.

Adding to 142542232 its reverse (232245241), we get a palindrome (374787473).

The spelling of 142542232 in words is "one hundred forty-two million, five hundred forty-two thousand, two hundred thirty-two".