108645 has 8 divisors (see below), whose sum is σ = 173856. Its totient is φ = 57936.

The previous prime is 108643. The next prime is 108649. The reversal of 108645 is 546801.

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

It is not a de Polignac number, because 108645 - 2¹ = 108643 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108643) 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, 3607 + ... + 3636.

It is an arithmetic number, because the mean of its divisors is an integer number (21732).

2¹⁰⁸⁶⁴⁵ is an apocalyptic number.

108645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

108645 is a deficient number, since it is larger than the sum of its proper divisors (65211).

108645 is an equidigital number, since it uses as much as digits as its factorization.

108645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7251.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 108645 is about 329.6134099214. The cubic root of 108645 is about 47.7166465727.

The spelling of 108645 in words is "one hundred eight thousand, six hundred forty-five".