171463157 has 2 divisors, whose sum is σ = 171463158. Its totient is φ = 171463156.

The previous prime is 171463121. The next prime is 171463169. The reversal of 171463157 is 751364171.

171463157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139098436 + 32364721 = 11794^2 + 5689^2 .

It is a cyclic number.

It is not a de Polignac number, because 171463157 - 2¹⁰ = 171462133 is a prime.

It is a super-2 number, since 2×171463157² = 58799228416813298, which contains 22 as substring.

It is a Chen prime.

It is equal to p_9580382 and since 171463157 and 9580382 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (171463177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85731578 + 85731579.

It is an arithmetic number, because the mean of its divisors is an integer number (85731579).

Almost surely, 2^171463157 is an apocalyptic number.

It is an amenable number.

171463157 is a deficient number, since it is larger than the sum of its proper divisors (1).

171463157 is an equidigital number, since it uses as much as digits as its factorization.

171463157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17640, while the sum is 35.

The square root of 171463157 is about 13094.3941058760. The cubic root of 171463157 is about 555.5505798858.

The spelling of 171463157 in words is "one hundred seventy-one million, four hundred sixty-three thousand, one hundred fifty-seven".