1144321229 has 2 divisors, whose sum is σ = 1144321230. Its totient is φ = 1144321228.

The previous prime is 1144321223. The next prime is 1144321307. The reversal of 1144321229 is 9221234411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1043419204 + 100902025 = 32302^2 + 10045^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144321229 - 2⁸ = 1144320973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1144321223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572160614 + 572160615.

It is an arithmetic number, because the mean of its divisors is an integer number (572160615).

Almost surely, 2^1144321229 is an apocalyptic number.

It is an amenable number.

1144321229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144321229 is an equidigital number, since it uses as much as digits as its factorization.

1144321229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 29.

The square root of 1144321229 is about 33827.8173845136. The cubic root of 1144321229 is about 1045.9621881999.

The spelling of 1144321229 in words is "one billion, one hundred forty-four million, three hundred twenty-one thousand, two hundred twenty-nine".