14539457 has 2 divisors, whose sum is σ = 14539458. Its totient is φ = 14539456.

The previous prime is 14539417. The next prime is 14539477. The reversal of 14539457 is 75493541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14508481 + 30976 = 3809^2 + 176^2 .

It is a cyclic number.

It is not a de Polignac number, because 14539457 - 2¹⁸ = 14277313 is a prime.

It is a super-2 number, since 2×14539457² = 422791619709698, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14539457.

It is not a weakly prime, because it can be changed into another prime (14539417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7269728 + 7269729.

It is an arithmetic number, because the mean of its divisors is an integer number (7269729).

Almost surely, 2^14539457 is an apocalyptic number.

It is an amenable number.

14539457 is a deficient number, since it is larger than the sum of its proper divisors (1).

14539457 is an equidigital number, since it uses as much as digits as its factorization.

14539457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 38.

The square root of 14539457 is about 3813.0639910707. The cubic root of 14539457 is about 244.0709336453.

The spelling of 14539457 in words is "fourteen million, five hundred thirty-nine thousand, four hundred fifty-seven".