Search a number
14845 = 52969

14845 has 4 divisors (see below), whose sum is σ = 17820. Its totient is φ = 11872.

The previous prime is 14843. The next prime is 14851. The reversal of 14845 is 54841.

14845 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54841 = 173317.

It can be written as a sum of positive squares in 2 ways, for example, as 1849 + 12996 = 43^2 + 114^2 .

It is a cyclic number.

It is not a de Polignac number, because 14845 - 21 = 14843 is a prime.

It is a plaindrome in base 13.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14843) 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 in 3 ways as a sum of consecutive naturals, for example, 1480 + ... + 1489.

It is an arithmetic number, because the mean of its divisors is an integer number (4455).

214845 is an apocalyptic number.

It is an amenable number.

14845 is a deficient number, since it is larger than the sum of its proper divisors (2975).

14845 is an equidigital number, since it uses as much as digits as its factorization.

14845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2974.

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

The square root of 14845 is about 121.8400590939. The cubic root of 14845 is about 24.5768791509.

The spelling of 14845 in words is "fourteen thousand, eight hundred forty-five".

Divisors: 1 5 2969 14845