142513232 has 10 divisors (see below), whose sum is σ = 276119418. Its totient is φ = 71256608.

The previous prime is 142513219. The next prime is 142513271. The reversal of 142513232 is 232315241.

It can be written as a sum of positive squares in only one way, i.e., 120648256 + 21864976 = 10984^2 + 4676^2 .

It is a junction number, because it is equal to n+sod(n) for n = 142513198 and 142513207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4453523 + ... + 4453554.

Almost surely, 2^142513232 is an apocalyptic number.

It is an amenable number.

142513232 is a deficient number, since it is larger than the sum of its proper divisors (133606186).

142513232 is an equidigital number, since it uses as much as digits as its factorization.

142513232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8907085 (or 8907079 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 142513232 is about 11937.8906009395. The cubic root of 142513232 is about 522.3381298446.

Adding to 142513232 its reverse (232315241), we get a palindrome (374828473).

The spelling of 142513232 in words is "one hundred forty-two million, five hundred thirteen thousand, two hundred thirty-two".