157146316247 has 2 divisors, whose sum is σ = 157146316248. Its totient is φ = 157146316246.

The previous prime is 157146316241. The next prime is 157146316309. The reversal of 157146316247 is 742613641751.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 157146316247 - 2²⁴ = 157129539031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157146316241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78573158123 + 78573158124.

It is an arithmetic number, because the mean of its divisors is an integer number (78573158124).

Almost surely, 2^157146316247 is an apocalyptic number.

157146316247 is a deficient number, since it is larger than the sum of its proper divisors (1).

157146316247 is an equidigital number, since it uses as much as digits as its factorization.

157146316247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 846720, while the sum is 47.

Adding to 157146316247 its reverse (742613641751), we get a palindrome (899759957998).

The spelling of 157146316247 in words is "one hundred fifty-seven billion, one hundred forty-six million, three hundred sixteen thousand, two hundred forty-seven".