14342857 has 2 divisors, whose sum is σ = 14342858. Its totient is φ = 14342856.

The previous prime is 14342851. The next prime is 14342899. The reversal of 14342857 is 75824341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14258176 + 84681 = 3776^2 + 291^2 .

It is an emirp because it is prime and its reverse (75824341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14342857 - 2⁷ = 14342729 is a prime.

It is a nialpdrome in base 8.

It is not a weakly prime, because it can be changed into another prime (14342851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7171428 + 7171429.

It is an arithmetic number, because the mean of its divisors is an integer number (7171429).

Almost surely, 2^14342857 is an apocalyptic number.

It is an amenable number.

14342857 is a deficient number, since it is larger than the sum of its proper divisors (1).

14342857 is an equidigital number, since it uses as much as digits as its factorization.

14342857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26880, while the sum is 34.

The square root of 14342857 is about 3787.1964564833. The cubic root of 14342857 is about 242.9658427718.

The spelling of 14342857 in words is "fourteen million, three hundred forty-two thousand, eight hundred fifty-seven".