157468217 has 2 divisors, whose sum is σ = 157468218. Its totient is φ = 157468216.

The previous prime is 157468187. The next prime is 157468271. The reversal of 157468217 is 712864751.

Together with next prime (157468271) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 157351936 + 116281 = 12544^2 + 341^2 .

It is a cyclic number.

It is not a de Polignac number, because 157468217 - 2⁶ = 157468153 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (157461217) 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, 78734108 + 78734109.

It is an arithmetic number, because the mean of its divisors is an integer number (78734109).

Almost surely, 2^157468217 is an apocalyptic number.

It is an amenable number.

157468217 is a deficient number, since it is larger than the sum of its proper divisors (1).

157468217 is an equidigital number, since it uses as much as digits as its factorization.

157468217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94080, while the sum is 41.

The square root of 157468217 is about 12548.6340690929. The cubic root of 157468217 is about 540.0048204874.

The spelling of 157468217 in words is "one hundred fifty-seven million, four hundred sixty-eight thousand, two hundred seventeen".