142346872 has 8 divisors (see below), whose sum is σ = 266900400. Its totient is φ = 71173432.

The previous prime is 142346857. The next prime is 142346969. The reversal of 142346872 is 278643241.

It is a tau number, because it is divible by the number of its divisors (8).

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, 8896672 + ... + 8896687.

It is an arithmetic number, because the mean of its divisors is an integer number (33362550).

Almost surely, 2^142346872 is an apocalyptic number.

It is an amenable number.

142346872 is a deficient number, since it is larger than the sum of its proper divisors (124553528).

142346872 is a wasteful number, since it uses less digits than its factorization.

142346872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17793365 (or 17793361 counting only the distinct ones).

The product of its digits is 64512, while the sum is 37.

The square root of 142346872 is about 11930.9208362138. The cubic root of 142346872 is about 522.1348036828.

The spelling of 142346872 in words is "one hundred forty-two million, three hundred forty-six thousand, eight hundred seventy-two".