14427157 has 2 divisors, whose sum is σ = 14427158. Its totient is φ = 14427156.

The previous prime is 14427139. The next prime is 14427163. The reversal of 14427157 is 75172441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9991921 + 4435236 = 3161^2 + 2106^2 .

It is a cyclic number.

It is not a de Polignac number, because 14427157 - 2⁷ = 14427029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14427557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7213578 + 7213579.

It is an arithmetic number, because the mean of its divisors is an integer number (7213579).

Almost surely, 2^14427157 is an apocalyptic number.

It is an amenable number.

14427157 is a deficient number, since it is larger than the sum of its proper divisors (1).

14427157 is an equidigital number, since it uses as much as digits as its factorization.

14427157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7840, while the sum is 31.

The square root of 14427157 is about 3798.3097556676. The cubic root of 14427157 is about 243.4409230026.

Adding to 14427157 its reverse (75172441), we get a palindrome (89599598).

The spelling of 14427157 in words is "fourteen million, four hundred twenty-seven thousand, one hundred fifty-seven".