157146316109 has 2 divisors, whose sum is σ = 157146316110. Its totient is φ = 157146316108.

The previous prime is 157146316091. The next prime is 157146316111. The reversal of 157146316109 is 901613641751.

Together with previous prime (157146316091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144495015625 + 12651300484 = 380125^2 + 112478^2 .

It is an emirp because it is prime and its reverse (901613641751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157146316109 - 2²⁰ = 157145267533 is a prime.

Together with 157146316111, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 157146316109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157146316189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78573158054 + 78573158055.

It is an arithmetic number, because the mean of its divisors is an integer number (78573158055).

Almost surely, 2^157146316109 is an apocalyptic number.

It is an amenable number.

157146316109 is a deficient number, since it is larger than the sum of its proper divisors (1).

157146316109 is an equidigital number, since it uses as much as digits as its factorization.

157146316109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 44.

The spelling of 157146316109 in words is "one hundred fifty-seven billion, one hundred forty-six million, three hundred sixteen thousand, one hundred nine".