108444905 has 4 divisors (see below), whose sum is σ = 130133892. Its totient is φ = 86755920.

The previous prime is 108444899. The next prime is 108444923. The reversal of 108444905 is 509444801.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31899904 + 76545001 = 5648^2 + 8749^2 .

It is not a de Polignac number, because 108444905 - 2⁶ = 108444841 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10844486 + ... + 10844495.

It is an arithmetic number, because the mean of its divisors is an integer number (32533473).

Almost surely, 2^108444905 is an apocalyptic number.

It is an amenable number.

108444905 is a deficient number, since it is larger than the sum of its proper divisors (21688987).

108444905 is an equidigital number, since it uses as much as digits as its factorization.

108444905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21688986.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 108444905 is about 10413.6883475549. The cubic root of 108444905 is about 476.8733480828.

The spelling of 108444905 in words is "one hundred eight million, four hundred forty-four thousand, nine hundred five".