1143342441 has 12 divisors (see below), whose sum is σ = 1691775540. Its totient is φ = 743637120.

The previous prime is 1143342419. The next prime is 1143342449. The reversal of 1143342441 is 1442433411.

It can be written as a sum of positive squares in 2 ways, for example, as 67174416 + 1076168025 = 8196^2 + 32805^2 .

It is not a de Polignac number, because 1143342441 - 2⁶ = 1143342377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1143342449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1548876 + ... + 1549613.

It is an arithmetic number, because the mean of its divisors is an integer number (140981295).

Almost surely, 2^1143342441 is an apocalyptic number.

It is an amenable number.

1143342441 is a deficient number, since it is larger than the sum of its proper divisors (548433099).

1143342441 is a wasteful number, since it uses less digits than its factorization.

1143342441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3098536 (or 3098533 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 1143342441 is about 33813.3470836591. The cubic root of 1143342441 is about 1045.6638840628.

Adding to 1143342441 its reverse (1442433411), we get a palindrome (2585775852).

The spelling of 1143342441 in words is "one billion, one hundred forty-three million, three hundred forty-two thousand, four hundred forty-one".