1143241441 has 4 divisors (see below), whose sum is σ = 1144042900. Its totient is φ = 1142439984.

The previous prime is 1143241433. The next prime is 1143241447. The reversal of 1143241441 is 1441423411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 164865600 + 978375841 = 12840^2 + 31279^2 .

It is a cyclic number.

It is not a de Polignac number, because 1143241441 - 2³ = 1143241433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1143241447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398586 + ... + 401443.

It is an arithmetic number, because the mean of its divisors is an integer number (286010725).

Almost surely, 2^1143241441 is an apocalyptic number.

It is an amenable number.

1143241441 is a deficient number, since it is larger than the sum of its proper divisors (801459).

1143241441 is an equidigital number, since it uses as much as digits as its factorization.

1143241441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801458.

The product of its digits is 1536, while the sum is 25.

The square root of 1143241441 is about 33811.8535575913. The cubic root of 1143241441 is about 1045.6330927156.

Adding to 1143241441 its reverse (1441423411), we get a palindrome (2584664852).

The spelling of 1143241441 in words is "one billion, one hundred forty-three million, two hundred forty-one thousand, four hundred forty-one".