142307858 has 48 divisors (see below), whose sum is σ = 273375648. Its totient is φ = 55393800.

The previous prime is 142307807. The next prime is 142307873. The reversal of 142307858 is 858703241.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 129893 + ... + 130983.

It is an arithmetic number, because the mean of its divisors is an integer number (5695326).

Almost surely, 2^142307858 is an apocalyptic number.

142307858 is a deficient number, since it is larger than the sum of its proper divisors (131067790).

142307858 is a wasteful number, since it uses less digits than its factorization.

142307858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140 (or 1111 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 142307858 is about 11929.2857288272. The cubic root of 142307858 is about 522.0870976151.

The spelling of 142307858 in words is "one hundred forty-two million, three hundred seven thousand, eight hundred fifty-eight".