800611142 has 4 divisors (see below), whose sum is σ = 1200916716. Its totient is φ = 400305570.

The previous prime is 800611139. The next prime is 800611183. The reversal of 800611142 is 241116008.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200152784 + ... + 200152787.

It is an arithmetic number, because the mean of its divisors is an integer number (300229179).

Almost surely, 2^800611142 is an apocalyptic number.

800611142 is a deficient number, since it is larger than the sum of its proper divisors (400305574).

800611142 is a wasteful number, since it uses less digits than its factorization.

800611142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400305573.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 800611142 is about 28295.0727512760. The cubic root of 800611142 is about 928.5540957103.

The spelling of 800611142 in words is "eight hundred million, six hundred eleven thousand, one hundred forty-two".