1144733321 has 2 divisors, whose sum is σ = 1144733322. Its totient is φ = 1144733320.

The previous prime is 1144733263. The next prime is 1144733333. The reversal of 1144733321 is 1233374411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 821452921 + 323280400 = 28661^2 + 17980^2 .

It is an emirp because it is prime and its reverse (1233374411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1144733321 - 2¹⁸ = 1144471177 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1144733021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572366660 + 572366661.

It is an arithmetic number, because the mean of its divisors is an integer number (572366661).

Almost surely, 2^1144733321 is an apocalyptic number.

It is an amenable number.

1144733321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144733321 is an equidigital number, since it uses as much as digits as its factorization.

1144733321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 29.

The square root of 1144733321 is about 33833.9078588330. The cubic root of 1144733321 is about 1046.0877301394.

The spelling of 1144733321 in words is "one billion, one hundred forty-four million, seven hundred thirty-three thousand, three hundred twenty-one".