14857 has 4 divisors (see below), whose sum is σ = 15120. Its totient is φ = 14596.

The previous prime is 14851. The next prime is 14867. The reversal of 14857 is 75841.

14857 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 a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75841 = 149 ⋅509.

It is a cyclic number.

It is not a de Polignac number, because 14857 - 2¹¹ = 12809 is a prime.

It is a Duffinian number.

It is a plaindrome in base 9 and base 13.

It is a nialpdrome in base 12.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 14857.

It is not an unprimeable number, because it can be changed into a prime (14851) 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, 7 + ... + 172.

It is an arithmetic number, because the mean of its divisors is an integer number (3780).

2¹⁴⁸⁵⁷ is an apocalyptic number.

It is an amenable number.

14857 is a deficient number, since it is larger than the sum of its proper divisors (263).

14857 is an equidigital number, since it uses as much as digits as its factorization.

14857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262.

The product of its digits is 1120, while the sum is 25.

The square root of 14857 is about 121.8892940336. The cubic root of 14857 is about 24.5834996318.

The spelling of 14857 in words is "fourteen thousand, eight hundred fifty-seven".