14157769 has 2 divisors, whose sum is σ = 14157770. Its totient is φ = 14157768.

The previous prime is 14157749. The next prime is 14157797. The reversal of 14157769 is 96775141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9684544 + 4473225 = 3112^2 + 2115^2 .

It is an emirp because it is prime and its reverse (96775141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14157769 - 2⁹ = 14157257 is a prime.

It is a super-2 number, since 2×14157769² = 400884846114722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14157709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7078884 + 7078885.

It is an arithmetic number, because the mean of its divisors is an integer number (7078885).

Almost surely, 2^14157769 is an apocalyptic number.

It is an amenable number.

14157769 is a deficient number, since it is larger than the sum of its proper divisors (1).

14157769 is an equidigital number, since it uses as much as digits as its factorization.

14157769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52920, while the sum is 40.

The square root of 14157769 is about 3762.6810919875. The cubic root of 14157769 is about 241.9161936886.

The spelling of 14157769 in words is "fourteen million, one hundred fifty-seven thousand, seven hundred sixty-nine".