1444142093 has 2 divisors, whose sum is σ = 1444142094. Its totient is φ = 1444142092.

The previous prime is 1444142081. The next prime is 1444142113. The reversal of 1444142093 is 3902414441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1205686729 + 238455364 = 34723^2 + 15442^2 .

It is a cyclic number.

It is not a de Polignac number, because 1444142093 - 2⁸ = 1444141837 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1444142593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722071046 + 722071047.

It is an arithmetic number, because the mean of its divisors is an integer number (722071047).

Almost surely, 2^1444142093 is an apocalyptic number.

It is an amenable number.

1444142093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1444142093 is an equidigital number, since it uses as much as digits as its factorization.

1444142093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 1444142093 is about 38001.8695987447. The cubic root of 1444142093 is about 1130.3249367051.

The spelling of 1444142093 in words is "one billion, four hundred forty-four million, one hundred forty-two thousand, ninety-three".