14143957 has 2 divisors, whose sum is σ = 14143958. Its totient is φ = 14143956.

The previous prime is 14143937. The next prime is 14143979. The reversal of 14143957 is 75934141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13845841 + 298116 = 3721^2 + 546^2 .

It is a cyclic number.

It is not a de Polignac number, because 14143957 - 2²³ = 5755349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14143937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7071978 + 7071979.

It is an arithmetic number, because the mean of its divisors is an integer number (7071979).

Almost surely, 2^14143957 is an apocalyptic number.

It is an amenable number.

14143957 is a deficient number, since it is larger than the sum of its proper divisors (1).

14143957 is an equidigital number, since it uses as much as digits as its factorization.

14143957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 34.

The square root of 14143957 is about 3760.8452507382. The cubic root of 14143957 is about 241.8374987652.

The spelling of 14143957 in words is "fourteen million, one hundred forty-three thousand, nine hundred fifty-seven".