8145385255 has 32 divisors (see below), whose sum is σ = 11706799104. Its totient is φ = 5319511296.

The previous prime is 8145385249. The next prime is 8145385273. The reversal of 8145385255 is 5525835418.

It is a cyclic number.

It is not a de Polignac number, because 8145385255 - 2⁵ = 8145385223 is a prime.

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 in 31 ways as a sum of consecutive naturals, for example, 165852 + ... + 209278.

It is an arithmetic number, because the mean of its divisors is an integer number (365837472).

Almost surely, 2^8145385255 is an apocalyptic number.

8145385255 is a deficient number, since it is larger than the sum of its proper divisors (3561413849).

8145385255 is a wasteful number, since it uses less digits than its factorization.

8145385255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43695.

The product of its digits is 960000, while the sum is 46.

The square root of 8145385255 is about 90251.7880986299. The cubic root of 8145385255 is about 2012.0427781187.

The spelling of 8145385255 in words is "eight billion, one hundred forty-five million, three hundred eighty-five thousand, two hundred fifty-five".