14187157 has 2 divisors, whose sum is σ = 14187158. Its totient is φ = 14187156.

The previous prime is 14187143. The next prime is 14187179. The reversal of 14187157 is 75178141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9696996 + 4490161 = 3114^2 + 2119^2 .

It is a cyclic number.

It is not a de Polignac number, because 14187157 - 2¹¹ = 14185109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14187127) 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, 7093578 + 7093579.

It is an arithmetic number, because the mean of its divisors is an integer number (7093579).

Almost surely, 2^14187157 is an apocalyptic number.

It is an amenable number.

14187157 is a deficient number, since it is larger than the sum of its proper divisors (1).

14187157 is an equidigital number, since it uses as much as digits as its factorization.

14187157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7840, while the sum is 34.

The square root of 14187157 is about 3766.5842616355. The cubic root of 14187157 is about 242.0834639138.

The spelling of 14187157 in words is "fourteen million, one hundred eighty-seven thousand, one hundred fifty-seven".