810200156 has 12 divisors (see below), whose sum is σ = 1421127792. Its totient is φ = 404163648.

The previous prime is 810200143. The next prime is 810200177. The reversal of 810200156 is 651002018.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 232160 + ... + 235623.

It is an arithmetic number, because the mean of its divisors is an integer number (118427316).

Almost surely, 2^810200156 is an apocalyptic number.

It is an amenable number.

810200156 is a deficient number, since it is larger than the sum of its proper divisors (610927636).

810200156 is a wasteful number, since it uses less digits than its factorization.

810200156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468220 (or 468218 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 810200156 is about 28464.0151067976. The cubic root of 810200156 is about 932.2465270959.

The spelling of 810200156 in words is "eight hundred ten million, two hundred thousand, one hundred fifty-six".