102858285 has 8 divisors (see below), whose sum is σ = 164573280. Its totient is φ = 54857744.

The previous prime is 102858271. The next prime is 102858293. The reversal of 102858285 is 582858201.

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 102858285 - 2⁵ = 102858253 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3428595 + ... + 3428624.

It is an arithmetic number, because the mean of its divisors is an integer number (20571660).

Almost surely, 2^102858285 is an apocalyptic number.

102858285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102858285 is a deficient number, since it is larger than the sum of its proper divisors (61714995).

102858285 is an equidigital number, since it uses as much as digits as its factorization.

102858285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6857227.

The product of its (nonzero) digits is 51200, while the sum is 39.

The square root of 102858285 is about 10141.9073649881. The cubic root of 102858285 is about 468.5397336064.

The spelling of 102858285 in words is "one hundred two million, eight hundred fifty-eight thousand, two hundred eighty-five".