148817565317 has 2 divisors, whose sum is σ = 148817565318. Its totient is φ = 148817565316.

The previous prime is 148817565277. The next prime is 148817565329. The reversal of 148817565317 is 713565718841.

148817565317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99926164321 + 48891400996 = 316111^2 + 221114^2 .

It is a cyclic number.

It is not a de Polignac number, because 148817565317 - 2¹⁰ = 148817564293 is a prime.

It is a super-2 number, since 2×148817565317² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148817565917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74408782658 + 74408782659.

It is an arithmetic number, because the mean of its divisors is an integer number (74408782659).

Almost surely, 2^148817565317 is an apocalyptic number.

It is an amenable number.

148817565317 is a deficient number, since it is larger than the sum of its proper divisors (1).

148817565317 is an equidigital number, since it uses as much as digits as its factorization.

148817565317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5644800, while the sum is 56.

The spelling of 148817565317 in words is "one hundred forty-eight billion, eight hundred seventeen million, five hundred sixty-five thousand, three hundred seventeen".