108203285 has 12 divisors (see below), whose sum is σ = 130912068. Its totient is φ = 85856256.

The previous prime is 108203267. The next prime is 108203311. The reversal of 108203285 is 582302801.

It can be written as a sum of positive squares in 6 ways, for example, as 3161284 + 105042001 = 1778^2 + 10249^2 .

It is not a de Polignac number, because 108203285 - 2¹⁰ = 108202261 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93269 + ... + 94421.

It is an arithmetic number, because the mean of its divisors is an integer number (10909339).

Almost surely, 2^108203285 is an apocalyptic number.

It is an amenable number.

108203285 is a deficient number, since it is larger than the sum of its proper divisors (22708783).

108203285 is an equidigital number, since it uses as much as digits as its factorization.

108203285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432 (or 1295 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 108203285 is about 10402.0808014551. The cubic root of 108203285 is about 476.5189198203.

The spelling of 108203285 in words is "one hundred eight million, two hundred three thousand, two hundred eighty-five".