142383868 has 48 divisors (see below), whose sum is σ = 286691328. Its totient is φ = 61272000.

The previous prime is 142383863. The next prime is 142383877. The reversal of 142383868 is 868383241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142383863) 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, 62998 + ... + 65218.

It is an arithmetic number, because the mean of its divisors is an integer number (5972736).

Almost surely, 2^142383868 is an apocalyptic number.

It is an amenable number.

142383868 is an abundant number, since it is smaller than the sum of its proper divisors (144307460).

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

142383868 is a wasteful number, since it uses less digits than its factorization.

142383868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314 (or 2312 counting only the distinct ones).

The product of its digits is 221184, while the sum is 43.

The square root of 142383868 is about 11932.4711606607. The cubic root of 142383868 is about 522.1800341017.

The spelling of 142383868 in words is "one hundred forty-two million, three hundred eighty-three thousand, eight hundred sixty-eight".