1144442311 has 2 divisors, whose sum is σ = 1144442312. Its totient is φ = 1144442310.

The previous prime is 1144442287. The next prime is 1144442317. The reversal of 1144442311 is 1132444411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1144442311 - 2¹¹ = 1144440263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1144442317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572221155 + 572221156.

It is an arithmetic number, because the mean of its divisors is an integer number (572221156).

Almost surely, 2^1144442311 is an apocalyptic number.

1144442311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144442311 is an equidigital number, since it uses as much as digits as its factorization.

1144442311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1536, while the sum is 25.

The square root of 1144442311 is about 33829.6070181136. The cubic root of 1144442311 is about 1045.9990784028. Note that the first 3 decimals are identical.

Adding to 1144442311 its reverse (1132444411), we get a palindrome (2276886722).

The spelling of 1144442311 in words is "one billion, one hundred forty-four million, four hundred forty-two thousand, three hundred eleven".