102285256 has 16 divisors (see below), whose sum is σ = 192466800. Its totient is φ = 50960784.

The previous prime is 102285251. The next prime is 102285257. The reversal of 102285256 is 652582201.

It is not an unprimeable number, because it can be changed into a prime (102285251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20326 + ... + 24853.

It is an arithmetic number, because the mean of its divisors is an integer number (12029175).

Almost surely, 2^102285256 is an apocalyptic number.

It is an amenable number.

102285256 is a deficient number, since it is larger than the sum of its proper divisors (90181544).

102285256 is a wasteful number, since it uses less digits than its factorization.

102285256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45468 (or 45464 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 102285256 is about 10113.6173548340. The cubic root of 102285256 is about 467.6680261927.

The spelling of 102285256 in words is "one hundred two million, two hundred eighty-five thousand, two hundred fifty-six".