108605449 has 2 divisors, whose sum is σ = 108605450. Its totient is φ = 108605448.

The previous prime is 108605423. The next prime is 108605473. The reversal of 108605449 is 944506801.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104919049 + 3686400 = 10243^2 + 1920^2 .

It is a cyclic number.

It is not a de Polignac number, because 108605449 - 2¹⁹ = 108081161 is a prime.

It is not a weakly prime, because it can be changed into another prime (108602449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54302724 + 54302725.

It is an arithmetic number, because the mean of its divisors is an integer number (54302725).

Almost surely, 2^108605449 is an apocalyptic number.

It is an amenable number.

108605449 is a deficient number, since it is larger than the sum of its proper divisors (1).

108605449 is an equidigital number, since it uses as much as digits as its factorization.

108605449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 108605449 is about 10421.3938127297. The cubic root of 108605449 is about 477.1085563234.

The spelling of 108605449 in words is "one hundred eight million, six hundred five thousand, four hundred forty-nine".