800158642 has 8 divisors (see below), whose sum is σ = 1200560256. Its totient is φ = 399971892.

The previous prime is 800158637. The next prime is 800158657. The reversal of 800158642 is 246851008.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 800158598 and 800158607.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44058 + ... + 59509.

It is an arithmetic number, because the mean of its divisors is an integer number (150070032).

Almost surely, 2^800158642 is an apocalyptic number.

800158642 is a deficient number, since it is larger than the sum of its proper divisors (400401614).

800158642 is a wasteful number, since it uses less digits than its factorization.

800158642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107432.

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 800158642 is about 28287.0755292943. The cubic root of 800158642 is about 928.3791252449.

The spelling of 800158642 in words is "eight hundred million, one hundred fifty-eight thousand, six hundred forty-two".