108243 has 16 divisors (see below), whose sum is σ = 169600. Its totient is φ = 68040.

The previous prime is 108233. The next prime is 108247. The reversal of 108243 is 342801.

It is a happy number.

108243 is nontrivially palindromic in base 8.

It is not a de Polignac number, because 108243 - 2⁵ = 108211 is a prime.

It is a Duffinian number.

108243 is a modest number, since divided by 243 gives 108 as remainder.

108243 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (108247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 408 + ... + 618.

It is an arithmetic number, because the mean of its divisors is an integer number (10600).

2¹⁰⁸²⁴³ is an apocalyptic number.

108243 is a deficient number, since it is larger than the sum of its proper divisors (61357).

108243 is a wasteful number, since it uses less digits than its factorization.

108243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 108243 is about 329.0030394996. The cubic root of 108243 is about 47.6577213288.

It can be divided in two parts, 108 and 243, that multiplied together give a square (26244 = 162²).

The spelling of 108243 in words is "one hundred eight thousand, two hundred forty-three".