142917872 has 10 divisors (see below), whose sum is σ = 276903408. Its totient is φ = 71458928.

The previous prime is 142917871. The next prime is 142917889. The reversal of 142917872 is 278719241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142917871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4466168 + ... + 4466199.

Almost surely, 2^142917872 is an apocalyptic number.

It is an amenable number.

142917872 is a deficient number, since it is larger than the sum of its proper divisors (133985536).

142917872 is an equidigital number, since it uses as much as digits as its factorization.

142917872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8932375 (or 8932369 counting only the distinct ones).

The product of its digits is 56448, while the sum is 41.

The square root of 142917872 is about 11954.8263057227. The cubic root of 142917872 is about 522.8320235803.

The spelling of 142917872 in words is "one hundred forty-two million, nine hundred seventeen thousand, eight hundred seventy-two".