142331452 has 24 divisors (see below), whose sum is σ = 266940576. Its totient is φ = 66230208.

The previous prime is 142331443. The next prime is 142331461. The reversal of 142331452 is 254133241.

It is an interprime number because it is at equal distance from previous prime (142331443) and next prime (142331461).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17503 + ... + 24310.

It is an arithmetic number, because the mean of its divisors is an integer number (11122524).

Almost surely, 2^142331452 is an apocalyptic number.

It is an amenable number.

142331452 is a deficient number, since it is larger than the sum of its proper divisors (124609124).

142331452 is a wasteful number, since it uses less digits than its factorization.

142331452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41877 (or 41875 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 142331452 is about 11930.2745986838. The cubic root of 142331452 is about 522.1159492481.

Adding to 142331452 its reverse (254133241), we get a palindrome (396464693).

The spelling of 142331452 in words is "one hundred forty-two million, three hundred thirty-one thousand, four hundred fifty-two".