158106858 has 32 divisors (see below), whose sum is σ = 389187456. Its totient is φ = 41698368.

The previous prime is 158106841. The next prime is 158106877. The reversal of 158106858 is 858601851.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 15 ways as a sum of consecutive naturals, for example, 144241 + ... + 145332.

It is an arithmetic number, because the mean of its divisors is an integer number (12162108).

Almost surely, 2^158106858 is an apocalyptic number.

158106858 is an abundant number, since it is smaller than the sum of its proper divisors (231080598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158106858 is a wasteful number, since it uses less digits than its factorization.

158106858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289598.

The product of its (nonzero) digits is 76800, while the sum is 42.

The square root of 158106858 is about 12574.0549545483. The cubic root of 158106858 is about 540.7338650445.

The spelling of 158106858 in words is "one hundred fifty-eight million, one hundred six thousand, eight hundred fifty-eight".