108844581 has 4 divisors (see below), whose sum is σ = 145126112. Its totient is φ = 72563052.

The previous prime is 108844577. The next prime is 108844583. The reversal of 108844581 is 185448801.

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 108844581 - 2² = 108844577 is a prime.

It is a super-2 number, since 2×108844581² = 23694285626131122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108844583) 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, 18140761 + ... + 18140766.

It is an arithmetic number, because the mean of its divisors is an integer number (36281528).

Almost surely, 2^108844581 is an apocalyptic number.

It is an amenable number.

108844581 is a deficient number, since it is larger than the sum of its proper divisors (36281531).

108844581 is an equidigital number, since it uses as much as digits as its factorization.

108844581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36281530.

The product of its (nonzero) digits is 40960, while the sum is 39.

The square root of 108844581 is about 10432.8606335942. The cubic root of 108844581 is about 477.4584721247.

The spelling of 108844581 in words is "one hundred eight million, eight hundred forty-four thousand, five hundred eighty-one".