158142886 has 24 divisors (see below), whose sum is σ = 261396072. Its totient is φ = 71702400.

The previous prime is 158142841. The next prime is 158142899. The reversal of 158142886 is 688241851.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 162381 + ... + 163351.

It is an arithmetic number, because the mean of its divisors is an integer number (10891503).

Almost surely, 2^158142886 is an apocalyptic number.

158142886 is a deficient number, since it is larger than the sum of its proper divisors (103253186).

158142886 is a wasteful number, since it uses less digits than its factorization.

158142886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668 (or 1657 counting only the distinct ones).

The product of its digits is 122880, while the sum is 43.

The square root of 158142886 is about 12575.4875054608. The cubic root of 158142886 is about 540.7749344840.

The spelling of 158142886 in words is "one hundred fifty-eight million, one hundred forty-two thousand, eight hundred eighty-six".