1145400317 has 2 divisors, whose sum is σ = 1145400318. Its totient is φ = 1145400316.

The previous prime is 1145400287. The next prime is 1145400323. The reversal of 1145400317 is 7130045411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1067590276 + 77810041 = 32674^2 + 8821^2 .

It is a cyclic number.

It is not a de Polignac number, because 1145400317 - 2¹² = 1145396221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1145400337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572700158 + 572700159.

It is an arithmetic number, because the mean of its divisors is an integer number (572700159).

Almost surely, 2^1145400317 is an apocalyptic number.

It is an amenable number.

1145400317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145400317 is an equidigital number, since it uses as much as digits as its factorization.

1145400317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 1145400317 is about 33843.7633397942. The cubic root of 1145400317 is about 1046.2908635816.

Adding to 1145400317 its reverse (7130045411), we get a palindrome (8275445728).

The spelling of 1145400317 in words is "one billion, one hundred forty-five million, four hundred thousand, three hundred seventeen".