1143004441 has 8 divisors (see below), whose sum is σ = 1185871104. Its totient is φ = 1100512560.

The previous prime is 1143004439. The next prime is 1143004453. The reversal of 1143004441 is 1444003411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1143004441 - 2¹ = 1143004439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1143004241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87475 + ... + 99688.

It is an arithmetic number, because the mean of its divisors is an integer number (148233888).

Almost surely, 2^1143004441 is an apocalyptic number.

It is an amenable number.

1143004441 is a deficient number, since it is larger than the sum of its proper divisors (42866663).

1143004441 is a wasteful number, since it uses less digits than its factorization.

1143004441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187391.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1143004441 is about 33808.3486878611. The cubic root of 1143004441 is about 1045.5608326311.

Adding to 1143004441 its reverse (1444003411), we get a palindrome (2587007852).

The spelling of 1143004441 in words is "one billion, one hundred forty-three million, four thousand, four hundred forty-one".