14239457 has 8 divisors (see below), whose sum is σ = 14601384. Its totient is φ = 13881088.

The previous prime is 14239439. The next prime is 14239471. The reversal of 14239457 is 75493241.

14239457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3474496 + 10764961 = 1864^2 + 3281^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 14239457 - 2⁸ = 14239201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14239157) 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, 8393 + ... + 9945.

It is an arithmetic number, because the mean of its divisors is an integer number (1825173).

Almost surely, 2^14239457 is an apocalyptic number.

It is an amenable number.

14239457 is a deficient number, since it is larger than the sum of its proper divisors (361927).

14239457 is a wasteful number, since it uses less digits than its factorization.

14239457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1779.

The product of its digits is 30240, while the sum is 35.

The square root of 14239457 is about 3773.5205047806. The cubic root of 14239457 is about 242.3805739224.

The spelling of 14239457 in words is "fourteen million, two hundred thirty-nine thousand, four hundred fifty-seven".