8145868 has 12 divisors (see below), whose sum is σ = 14747040. Its totient is φ = 3932432.

The previous prime is 8145859. The next prime is 8145871. The reversal of 8145868 is 8685418.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8145868.

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, 34996 + ... + 35227.

It is an arithmetic number, because the mean of its divisors is an integer number (1228920).

Almost surely, 2^8145868 is an apocalyptic number.

It is an amenable number.

8145868 is a deficient number, since it is larger than the sum of its proper divisors (6601172).

8145868 is a wasteful number, since it uses less digits than its factorization.

8145868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70256 (or 70254 counting only the distinct ones).

The product of its digits is 61440, while the sum is 40.

The square root of 8145868 is about 2854.0967047386. The cubic root of 8145868 is about 201.2082525958.

The spelling of 8145868 in words is "eight million, one hundred forty-five thousand, eight hundred sixty-eight".