1143073441 has 2 divisors, whose sum is σ = 1143073442. Its totient is φ = 1143073440.

The previous prime is 1143073439. The next prime is 1143073469. The reversal of 1143073441 is 1443703411.

It is an a-pointer prime, because the next prime (1143073469) can be obtained adding 1143073441 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 909625600 + 233447841 = 30160^2 + 15279^2 .

It is a cyclic number.

It is not a de Polignac number, because 1143073441 - 2¹ = 1143073439 is a prime.

Together with 1143073439, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1143073471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571536720 + 571536721.

It is an arithmetic number, because the mean of its divisors is an integer number (571536721).

Almost surely, 2^1143073441 is an apocalyptic number.

It is an amenable number.

1143073441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143073441 is an equidigital number, since it uses as much as digits as its factorization.

1143073441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 1143073441 is about 33809.3691304644. The cubic root of 1143073441 is about 1045.5818714078.

Adding to 1143073441 its reverse (1443703411), we get a palindrome (2586776852).

The spelling of 1143073441 in words is "one billion, one hundred forty-three million, seventy-three thousand, four hundred forty-one".