157046717 has 2 divisors, whose sum is σ = 157046718. Its totient is φ = 157046716.

The previous prime is 157046711. The next prime is 157046719. The reversal of 157046717 is 717640751.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85914361 + 71132356 = 9269^2 + 8434^2 .

It is a cyclic number.

It is not a de Polignac number, because 157046717 - 2¹⁴ = 157030333 is a prime.

Together with 157046719, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157046711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78523358 + 78523359.

It is an arithmetic number, because the mean of its divisors is an integer number (78523359).

Almost surely, 2^157046717 is an apocalyptic number.

It is an amenable number.

157046717 is a deficient number, since it is larger than the sum of its proper divisors (1).

157046717 is an equidigital number, since it uses as much as digits as its factorization.

157046717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41160, while the sum is 38.

The square root of 157046717 is about 12531.8281587325. The cubic root of 157046717 is about 539.5225741351.

The spelling of 157046717 in words is "one hundred fifty-seven million, forty-six thousand, seven hundred seventeen".