102855305 has 16 divisors (see below), whose sum is σ = 142141824. Its totient is φ = 69987840.

The previous prime is 102855239. The next prime is 102855307. The reversal of 102855305 is 503558201.

It is not a de Polignac number, because 102855305 - 2¹² = 102851209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102855307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6632 + ... + 15801.

It is an arithmetic number, because the mean of its divisors is an integer number (8883864).

Almost surely, 2^102855305 is an apocalyptic number.

It is an amenable number.

102855305 is a deficient number, since it is larger than the sum of its proper divisors (39286519).

102855305 is a wasteful number, since it uses less digits than its factorization.

102855305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22576.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 102855305 is about 10141.7604487584. The cubic root of 102855305 is about 468.5352087338.

The spelling of 102855305 in words is "one hundred two million, eight hundred fifty-five thousand, three hundred five".