1145052317 has 2 divisors, whose sum is σ = 1145052318. Its totient is φ = 1145052316.

The previous prime is 1145052281. The next prime is 1145052319. The reversal of 1145052317 is 7132505411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 689272516 + 455779801 = 26254^2 + 21349^2 .

It is a cyclic number.

It is not a de Polignac number, because 1145052317 - 2¹² = 1145048221 is a prime.

It is a super-2 number, since 2×1145052317² = 2622289617334136978, which contains 22 as substring.

Together with 1145052319, 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 1145052317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1145052319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572526158 + 572526159.

It is an arithmetic number, because the mean of its divisors is an integer number (572526159).

Almost surely, 2^1145052317 is an apocalyptic number.

It is an amenable number.

1145052317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145052317 is an equidigital number, since it uses as much as digits as its factorization.

1145052317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 1145052317 is about 33838.6216770128. The cubic root of 1145052317 is about 1046.1848901223.

Adding to 1145052317 its reverse (7132505411), we get a palindrome (8277557728).

The spelling of 1145052317 in words is "one billion, one hundred forty-five million, fifty-two thousand, three hundred seventeen".