1444232081 has 2 divisors, whose sum is σ = 1444232082. Its totient is φ = 1444232080.

The previous prime is 1444232051. The next prime is 1444232129. The reversal of 1444232081 is 1802324441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1425742081 + 18490000 = 37759^2 + 4300^2 .

It is a cyclic number.

It is not a de Polignac number, because 1444232081 - 2¹⁰ = 1444231057 is a prime.

It is a super-2 number, since 2×1444232081² = 4171612607579181122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1444232051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722116040 + 722116041.

It is an arithmetic number, because the mean of its divisors is an integer number (722116041).

Almost surely, 2^1444232081 is an apocalyptic number.

It is an amenable number.

1444232081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1444232081 is an equidigital number, since it uses as much as digits as its factorization.

1444232081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 1444232081 is about 38003.0535746800. The cubic root of 1444232081 is about 1130.3484139812.

The spelling of 1444232081 in words is "one billion, four hundred forty-four million, two hundred thirty-two thousand, eighty-one".