14157287 has 2 divisors, whose sum is σ = 14157288. Its totient is φ = 14157286.

The previous prime is 14157263. The next prime is 14157317. The reversal of 14157287 is 78275141.

14157287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14157287 - 2¹⁸ = 13895143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14157217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7078643 + 7078644.

It is an arithmetic number, because the mean of its divisors is an integer number (7078644).

Almost surely, 2^14157287 is an apocalyptic number.

14157287 is a deficient number, since it is larger than the sum of its proper divisors (1).

14157287 is an equidigital number, since it uses as much as digits as its factorization.

14157287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15680, while the sum is 35.

The square root of 14157287 is about 3762.6170413689. The cubic root of 14157287 is about 241.9134483189.

The spelling of 14157287 in words is "fourteen million, one hundred fifty-seven thousand, two hundred eighty-seven".