1144662361 has 2 divisors, whose sum is σ = 1144662362. Its totient is φ = 1144662360.

The previous prime is 1144662347. The next prime is 1144662397. The reversal of 1144662361 is 1632664411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1108890000 + 35772361 = 33300^2 + 5981^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1144662361 is a prime.

It is not a weakly prime, because it can be changed into another prime (1144662331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572331180 + 572331181.

It is an arithmetic number, because the mean of its divisors is an integer number (572331181).

Almost surely, 2^1144662361 is an apocalyptic number.

It is an amenable number.

1144662361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144662361 is an equidigital number, since it uses as much as digits as its factorization.

1144662361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 34.

The square root of 1144662361 is about 33832.8591904379. The cubic root of 1144662361 is about 1046.0661146481.

The spelling of 1144662361 in words is "one billion, one hundred forty-four million, six hundred sixty-two thousand, three hundred sixty-one".