14457 has 8 divisors (see below), whose sum is σ = 19840. Its totient is φ = 9360.

The previous prime is 14449. The next prime is 14461. The reversal of 14457 is 75441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 14457 - 2³ = 14449 is a prime.

It is a Duffinian number.

14457 is a lucky number.

It is a plaindrome in base 10.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (14407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144 + ... + 222.

It is an arithmetic number, because the mean of its divisors is an integer number (2480).

2¹⁴⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

14457 is a deficient number, since it is larger than the sum of its proper divisors (5383).

14457 is an equidigital number, since it uses as much as digits as its factorization.

14457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143.

The product of its digits is 560, while the sum is 21.

The square root of 14457 is about 120.2372654380. The cubic root of 14457 is about 24.3608662309.

Adding to 14457 its reverse (75441), we get a palindrome (89898).

The spelling of 14457 in words is "fourteen thousand, four hundred fifty-seven".