142922871 has 48 divisors (see below), whose sum is σ = 256576320. Its totient is φ = 74649600.

The previous prime is 142922863. The next prime is 142922873. The reversal of 142922871 is 178229241.

142922871 is a `hidden beast` number, since 1 + 429 + 228 + 7 + 1 = 666.

It is not a de Polignac number, because 142922871 - 2³ = 142922863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142922873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 88471 + ... + 90071.

It is an arithmetic number, because the mean of its divisors is an integer number (5345340).

Almost surely, 2^142922871 is an apocalyptic number.

142922871 is a deficient number, since it is larger than the sum of its proper divisors (113653449).

142922871 is a wasteful number, since it uses less digits than its factorization.

142922871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736 (or 1733 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 142922871 is about 11955.0353826327. The cubic root of 142922871 is about 522.8381194049.

The spelling of 142922871 in words is "one hundred forty-two million, nine hundred twenty-two thousand, eight hundred seventy-one".