800157158 has 16 divisors (see below), whose sum is σ = 1232618640. Its totient is φ = 389352096.

The previous prime is 800157121. The next prime is 800157167. The reversal of 800157158 is 851751008.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7028 + ... + 40616.

It is an arithmetic number, because the mean of its divisors is an integer number (77038665).

Almost surely, 2^800157158 is an apocalyptic number.

800157158 is a deficient number, since it is larger than the sum of its proper divisors (432461482).

800157158 is a wasteful number, since it uses less digits than its factorization.

800157158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33911.

The product of its (nonzero) digits is 11200, while the sum is 35.

The square root of 800157158 is about 28287.0492982213. The cubic root of 800157158 is about 928.3785513106.

The spelling of 800157158 in words is "eight hundred million, one hundred fifty-seven thousand, one hundred fifty-eight".