102305255 has 8 divisors (see below), whose sum is σ = 132209952. Its totient is φ = 75548448.

The previous prime is 102305227. The next prime is 102305257. The reversal of 102305255 is 552503201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102305255 - 2⁶ = 102305191 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102305255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102305257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 786899 + ... + 787028.

It is an arithmetic number, because the mean of its divisors is an integer number (16526244).

Almost surely, 2^102305255 is an apocalyptic number.

102305255 is a deficient number, since it is larger than the sum of its proper divisors (29904697).

102305255 is a wasteful number, since it uses less digits than its factorization.

102305255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573945.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 102305255 is about 10114.6060229749. The cubic root of 102305255 is about 467.6985039752.

Adding to 102305255 its reverse (552503201), we get a palindrome (654808456).

The spelling of 102305255 in words is "one hundred two million, three hundred five thousand, two hundred fifty-five".