108285249 has 4 divisors (see below), whose sum is σ = 144380336. Its totient is φ = 72190164.

The previous prime is 108285209. The next prime is 108285259. The reversal of 108285249 is 942582801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 108285249 - 2¹² = 108281153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108285209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18047539 + ... + 18047544.

It is an arithmetic number, because the mean of its divisors is an integer number (36095084).

Almost surely, 2^108285249 is an apocalyptic number.

It is an amenable number.

108285249 is a deficient number, since it is larger than the sum of its proper divisors (36095087).

108285249 is an equidigital number, since it uses as much as digits as its factorization.

108285249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36095086.

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 108285249 is about 10406.0198443017. The cubic root of 108285249 is about 476.6392104963.

The spelling of 108285249 in words is "one hundred eight million, two hundred eighty-five thousand, two hundred forty-nine".