142322232 has 64 divisors (see below), whose sum is σ = 405730080. Its totient is φ = 41213952.

The previous prime is 142322203. The next prime is 142322237. The reversal of 142322232 is 232223241.

142322232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 142322199 and 142322208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142322237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8113 + ... + 18720.

Almost surely, 2^142322232 is an apocalyptic number.

142322232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142322232 is an abundant number, since it is smaller than the sum of its proper divisors (263407848).

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

142322232 is a wasteful number, since it uses less digits than its factorization.

142322232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26872 (or 26868 counting only the distinct ones).

The product of its digits is 1152, while the sum is 21.

The square root of 142322232 is about 11929.8881805321. Note that the first 3 decimals coincide. The cubic root of 142322232 is about 522.1046750640.

Adding to 142322232 its reverse (232223241), we get a palindrome (374545473).

The spelling of 142322232 in words is "one hundred forty-two million, three hundred twenty-two thousand, two hundred thirty-two".