102255 has 16 divisors (see below), whose sum is σ = 173664. Its totient is φ = 51200.

The previous prime is 102253. The next prime is 102259. The reversal of 102255 is 552201.

102255 = 141² + 142² + ... + 145².

It is not a de Polignac number, because 102255 - 2¹ = 102253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 102255.

It is not an unprimeable number, because it can be changed into a prime (102251) 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, 55 + ... + 455.

It is an arithmetic number, because the mean of its divisors is an integer number (10854).

2¹⁰²²⁵⁵ is an apocalyptic number.

102255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

102255 is a deficient number, since it is larger than the sum of its proper divisors (71409).

102255 is a wasteful number, since it uses less digits than its factorization.

102255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426.

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 102255 is about 319.7733572392. The cubic root of 102255 is about 46.7621909546.

Adding to 102255 its reverse (552201), we get a palindrome (654456).

The spelling of 102255 in words is "one hundred two thousand, two hundred fifty-five".