842142142 has 8 divisors (see below), whose sum is σ = 1263911616. Its totient is φ = 420838272.

The previous prime is 842142131. The next prime is 842142181. The reversal of 842142142 is 241241248.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 842142142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111843 + ... + 119134.

It is an arithmetic number, because the mean of its divisors is an integer number (157988952).

Almost surely, 2^842142142 is an apocalyptic number.

842142142 is a deficient number, since it is larger than the sum of its proper divisors (421769474).

842142142 is a wasteful number, since it uses less digits than its factorization.

842142142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232802.

The product of its digits is 4096, while the sum is 28.

The square root of 842142142 is about 29019.6854221406. The cubic root of 842142142 is about 944.3401763748.

The spelling of 842142142 in words is "eight hundred forty-two million, one hundred forty-two thousand, one hundred forty-two".