102244863 has 16 divisors (see below), whose sum is σ = 156303360. Its totient is φ = 58237536.

The previous prime is 102244859. The next prime is 102244889. The reversal of 102244863 is 368442201.

It is not a de Polignac number, because 102244863 - 2² = 102244859 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102244863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102244823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1023 + ... + 14336.

It is an arithmetic number, because the mean of its divisors is an integer number (9768960).

Almost surely, 2^102244863 is an apocalyptic number.

102244863 is a deficient number, since it is larger than the sum of its proper divisors (54058497).

102244863 is a wasteful number, since it uses less digits than its factorization.

102244863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15686.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 102244863 is about 10111.6201965857. The cubic root of 102244863 is about 467.6064565442.

The spelling of 102244863 in words is "one hundred two million, two hundred forty-four thousand, eight hundred sixty-three".