142858886 has 4 divisors (see below), whose sum is σ = 214288332. Its totient is φ = 71429442.

The previous prime is 142858879. The next prime is 142858921. The reversal of 142858886 is 688858241.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×142858886² = 40817322618321992, 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 as a sum of consecutive naturals, namely, 35714720 + ... + 35714723.

It is an arithmetic number, because the mean of its divisors is an integer number (53572083).

Almost surely, 2^142858886 is an apocalyptic number.

142858886 is a deficient number, since it is larger than the sum of its proper divisors (71429446).

142858886 is an equidigital number, since it uses as much as digits as its factorization.

142858886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71429445.

The product of its digits is 983040, while the sum is 50.

The square root of 142858886 is about 11952.3590140189. The cubic root of 142858886 is about 522.7600847969.

The spelling of 142858886 in words is "one hundred forty-two million, eight hundred fifty-eight thousand, eight hundred eighty-six".