810155152 has 40 divisors (see below), whose sum is σ = 1611097280. Its totient is φ = 394519680.

The previous prime is 810155141. The next prime is 810155153. The reversal of 810155152 is 251551018.

It is a self number, because there is not a number n which added to its sum of digits gives 810155152.

It is not an unprimeable number, because it can be changed into a prime (810155153) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 96499 + ... + 104557.

It is an arithmetic number, because the mean of its divisors is an integer number (40277432).

Almost surely, 2^810155152 is an apocalyptic number.

It is an amenable number.

810155152 is a deficient number, since it is larger than the sum of its proper divisors (800942128).

810155152 is a wasteful number, since it uses less digits than its factorization.

810155152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8231 (or 8225 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 28.

The square root of 810155152 is about 28463.2245537992. The cubic root of 810155152 is about 932.2292656825.

The spelling of 810155152 in words is "eight hundred ten million, one hundred fifty-five thousand, one hundred fifty-two".