1144040143457 has 2 divisors, whose sum is σ = 1144040143458. Its totient is φ = 1144040143456.

The previous prime is 1144040143381. The next prime is 1144040143507. The reversal of 1144040143457 is 7543410404411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1099815735841 + 44224407616 = 1048721^2 + 210296^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144040143457 - 2¹⁰ = 1144040142433 is a prime.

It is a super-2 number, since 2×1144040143457² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1144040143457.

It is not a weakly prime, because it can be changed into another prime (1144040143657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572020071728 + 572020071729.

It is an arithmetic number, because the mean of its divisors is an integer number (572020071729).

Almost surely, 2^{1144040143457} is an apocalyptic number.

It is an amenable number.

1144040143457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144040143457 is an equidigital number, since it uses as much as digits as its factorization.

1144040143457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 107520, while the sum is 38.

Adding to 1144040143457 its reverse (7543410404411), we get a palindrome (8687450547868).

The spelling of 1144040143457 in words is "one trillion, one hundred forty-four billion, forty million, one hundred forty-three thousand, four hundred fifty-seven".