42859158 has 16 divisors (see below), whose sum is σ = 88674480. Its totient is φ = 13793696.

The previous prime is 42859147. The next prime is 42859177. The reversal of 42859158 is 85195824.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122985 + ... + 123332.

It is an arithmetic number, because the mean of its divisors is an integer number (5542155).

Almost surely, 2^42859158 is an apocalyptic number.

42859158 is an abundant number, since it is smaller than the sum of its proper divisors (45815322).

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

42859158 is a wasteful number, since it uses less digits than its factorization.

42859158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246351.

The product of its digits is 115200, while the sum is 42.

The square root of 42859158 is about 6546.6906143486. The cubic root of 42859158 is about 349.9568872066.

The spelling of 42859158 in words is "forty-two million, eight hundred fifty-nine thousand, one hundred fifty-eight".