157337197 has 2 divisors, whose sum is σ = 157337198. Its totient is φ = 157337196.

The previous prime is 157337179. The next prime is 157337237. The reversal of 157337197 is 791733751.

Together with previous prime (157337179) 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., 157276681 + 60516 = 12541^2 + 246^2 .

It is an emirp because it is prime and its reverse (791733751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157337197 - 2⁷ = 157337069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157337107) 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, 78668598 + 78668599.

It is an arithmetic number, because the mean of its divisors is an integer number (78668599).

Almost surely, 2^157337197 is an apocalyptic number.

It is an amenable number.

157337197 is a deficient number, since it is larger than the sum of its proper divisors (1).

157337197 is an equidigital number, since it uses as much as digits as its factorization.

157337197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138915, while the sum is 43.

The square root of 157337197 is about 12543.4124942138. The cubic root of 157337197 is about 539.8550102279.

The spelling of 157337197 in words is "one hundred fifty-seven million, three hundred thirty-seven thousand, one hundred ninety-seven".