142517976 has 32 divisors (see below), whose sum is σ = 356875200. Its totient is φ = 47428640.

The previous prime is 142517939. The next prime is 142517983. The reversal of 142517976 is 679715241.

It is a happy number.

It is a super-2 number, since 2×142517976² = 40622746966273152, which contains 22 as substring.

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, 11311 + ... + 20321.

It is an arithmetic number, because the mean of its divisors is an integer number (11152350).

Almost surely, 2^142517976 is an apocalyptic number.

It is an amenable number.

142517976 is an abundant number, since it is smaller than the sum of its proper divisors (214357224).

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

142517976 is a wasteful number, since it uses less digits than its factorization.

142517976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9679 (or 9675 counting only the distinct ones).

The product of its digits is 105840, while the sum is 42.

The square root of 142517976 is about 11938.0892943553. The cubic root of 142517976 is about 522.3439256681.

The spelling of 142517976 in words is "one hundred forty-two million, five hundred seventeen thousand, nine hundred seventy-six".