14305 has 4 divisors (see below), whose sum is σ = 17172. Its totient is φ = 11440.

The previous prime is 14303. The next prime is 14321. The reversal of 14305 is 50341.

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 6561 + 7744 = 81^2 + 88^2 .

It is not a de Polignac number, because 14305 - 2¹ = 14303 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14303) 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, 1426 + ... + 1435.

It is an arithmetic number, because the mean of its divisors is an integer number (4293).

2¹⁴³⁰⁵ is an apocalyptic number.

It is an amenable number.

14305 is a deficient number, since it is larger than the sum of its proper divisors (2867).

14305 is an equidigital number, since it uses as much as digits as its factorization.

14305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2866.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 14305 is about 119.6035116541. The cubic root of 14305 is about 24.2751890460.

Adding to 14305 its product of nonzero digits (60), we get a triangular number (14365 = T₁₆₉).

Adding to 14305 its reverse (50341), we get a palindrome (64646).

The spelling of 14305 in words is "fourteen thousand, three hundred five".