108285 has 8 divisors (see below), whose sum is σ = 173280. Its totient is φ = 57744.

The previous prime is 108271. The next prime is 108287. The reversal of 108285 is 582801.

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

It is not a de Polignac number, because 108285 - 2⁹ = 107773 is a prime.

It is an Ulam number.

It is a Curzon number.

108285 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108287) 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, 3595 + ... + 3624.

It is an arithmetic number, because the mean of its divisors is an integer number (21660).

2¹⁰⁸²⁸⁵ is an apocalyptic number.

108285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

108285 is a deficient number, since it is larger than the sum of its proper divisors (64995).

108285 is an equidigital number, since it uses as much as digits as its factorization.

108285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7227.

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 108285 is about 329.0668625067. The cubic root of 108285 is about 47.6638845155.

It can be divided in two parts, 108 and 285, that added together give a palindrome (393).

The spelling of 108285 in words is "one hundred eight thousand, two hundred eighty-five".