108445 has 12 divisors (see below), whose sum is σ = 139356. Its totient is φ = 80960.

The previous prime is 108439. The next prime is 108457. The reversal of 108445 is 544801.

It can be written as a sum of positive squares in 2 ways, for example, as 19044 + 89401 = 138^2 + 299^2 .

It is not a de Polignac number, because 108445 - 2⁵ = 108413 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 7.

It is a congruent number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 2625 + ... + 2665.

It is an arithmetic number, because the mean of its divisors is an integer number (11613).

2¹⁰⁸⁴⁴⁵ is an apocalyptic number.

It is an amenable number.

108445 is a deficient number, since it is larger than the sum of its proper divisors (30911).

108445 is an equidigital number, since it uses as much as digits as its factorization.

108445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 108445 is about 329.3098844554. The cubic root of 108445 is about 47.6873487333.

The spelling of 108445 in words is "one hundred eight thousand, four hundred forty-five".