157162207 has 2 divisors, whose sum is σ = 157162208. Its totient is φ = 157162206.

The previous prime is 157162177. The next prime is 157162217. The reversal of 157162207 is 702261751.

It is a strong prime.

It is an emirp because it is prime and its reverse (702261751) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157162207 is a prime.

It is a super-2 number, since 2×157162207² = 49399918618221698, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157162217) 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, 78581103 + 78581104.

It is an arithmetic number, because the mean of its divisors is an integer number (78581104).

Almost surely, 2^157162207 is an apocalyptic number.

157162207 is a deficient number, since it is larger than the sum of its proper divisors (1).

157162207 is an equidigital number, since it uses as much as digits as its factorization.

157162207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 157162207 is about 12536.4351791089. The cubic root of 157162207 is about 539.6547942279.

The spelling of 157162207 in words is "one hundred fifty-seven million, one hundred sixty-two thousand, two hundred seven".