1143432341 has 4 divisors (see below), whose sum is σ = 1143503052. Its totient is φ = 1143361632.

The previous prime is 1143432337. The next prime is 1143432343. The reversal of 1143432341 is 1432343411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1432343411 = 15601 ⋅91811.

It can be written as a sum of positive squares in 2 ways, for example, as 568631716 + 574800625 = 23846^2 + 23975^2 .

It is a cyclic number.

It is not a de Polignac number, because 1143432341 - 2² = 1143432337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1143432341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143432343) 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, 2195 + ... + 47871.

It is an arithmetic number, because the mean of its divisors is an integer number (285875763).

Almost surely, 2^1143432341 is an apocalyptic number.

It is an amenable number.

1143432341 is a deficient number, since it is larger than the sum of its proper divisors (70711).

1143432341 is an equidigital number, since it uses as much as digits as its factorization.

1143432341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70710.

The product of its digits is 3456, while the sum is 26.

The square root of 1143432341 is about 33814.6764142436. The cubic root of 1143432341 is about 1045.6912898852.

Adding to 1143432341 its reverse (1432343411), we get a palindrome (2575775752).

The spelling of 1143432341 in words is "one billion, one hundred forty-three million, four hundred thirty-two thousand, three hundred forty-one".