1145502317 has 2 divisors, whose sum is σ = 1145502318. Its totient is φ = 1145502316.

The previous prime is 1145502299. The next prime is 1145502353. The reversal of 1145502317 is 7132055411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 930616036 + 214886281 = 30506^2 + 14659^2 .

It is a cyclic number.

It is not a de Polignac number, because 1145502317 - 2¹⁴ = 1145485933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1145502317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1145502217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572751158 + 572751159.

It is an arithmetic number, because the mean of its divisors is an integer number (572751159).

Almost surely, 2^1145502317 is an apocalyptic number.

It is an amenable number.

1145502317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145502317 is an equidigital number, since it uses as much as digits as its factorization.

1145502317 is an evil number, because the sum of its binary digits is even.

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

The square root of 1145502317 is about 33845.2702308609. The cubic root of 1145502317 is about 1046.3219207002.

Adding to 1145502317 its reverse (7132055411), we get a palindrome (8277557728).

The spelling of 1145502317 in words is "one billion, one hundred forty-five million, five hundred two thousand, three hundred seventeen".