14157631 has 2 divisors, whose sum is σ = 14157632. Its totient is φ = 14157630.

The previous prime is 14157599. The next prime is 14157667. The reversal of 14157631 is 13675141.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14157631 - 2⁵ = 14157599 is a prime.

It is a super-2 number, since 2×14157631² = 400877031064322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14157631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14157131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7078815 + 7078816.

It is an arithmetic number, because the mean of its divisors is an integer number (7078816).

Almost surely, 2^14157631 is an apocalyptic number.

14157631 is a deficient number, since it is larger than the sum of its proper divisors (1).

14157631 is an equidigital number, since it uses as much as digits as its factorization.

14157631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 28.

The square root of 14157631 is about 3762.6627539550. The cubic root of 14157631 is about 241.9154076762.

The spelling of 14157631 in words is "fourteen million, one hundred fifty-seven thousand, six hundred thirty-one".