142142232 has 16 divisors (see below), whose sum is σ = 355355640. Its totient is φ = 47380736.

The previous prime is 142142227. The next prime is 142142233. The reversal of 142142232 is 232241241.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 142142199 and 142142208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142142233) 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, 2961273 + ... + 2961320.

Almost surely, 2^142142232 is an apocalyptic number.

142142232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142142232 is an abundant number, since it is smaller than the sum of its proper divisors (213213408).

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

142142232 is a wasteful number, since it uses less digits than its factorization.

142142232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5922602 (or 5922598 counting only the distinct ones).

The product of its digits is 768, while the sum is 21.

The square root of 142142232 is about 11922.3417162905. The cubic root of 142142232 is about 521.8844740747.

Adding to 142142232 its reverse (232241241), we get a palindrome (374383473).

Subtracting 142142232 from its reverse (232241241), we obtain a palindrome (90099009).

The spelling of 142142232 in words is "one hundred forty-two million, one hundred forty-two thousand, two hundred thirty-two".