14557 has 2 divisors, whose sum is σ = 14558.
Its totient is φ = 14556.
The previous prime is 14551. The next prime is 14561. The reversal of 14557 is 75541.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 10201 + 4356 = 101^2 + 66^2
It is an emirp because it is prime and its reverse (75541) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 14557 - 23 = 14549 is a prime.
It is an Ulam number.
It is a plaindrome in base 10 and base 16.
It is a nialpdrome in base 12.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (14551) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7278 + 7279.
It is an arithmetic number, because the mean of its divisors is an integer number (7279).
214557 is an apocalyptic number.
It is an amenable number.
14557 is a deficient number, since it is larger than the sum of its proper divisors (1).
14557 is an equidigital number, since it uses as much as digits as its factorization.
14557 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 700, while the sum is 22.
The square root of 14557 is about 120.6523932626.
The cubic root of 14557 is about 24.4169057793.
Subtracting from 14557 its sum of digits (22), we obtain a triangular number (14535 = T170).
It can be divided in two parts, 145 and 57, that added together give a palindrome (202).
The spelling of 14557 in words is "fourteen thousand, five hundred fifty-seven".