1143324302305 has 4 divisors (see below), whose sum is σ = 1371989162772. Its totient is φ = 914659441840.

The previous prime is 1143324302299. The next prime is 1143324302369. The reversal of 1143324302305 is 5032034233411.

It is a happy number.

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 859742491729 + 283581810576 = 927223^2 + 532524^2 .

It is not a de Polignac number, because 1143324302305 - 2²¹ = 1143322205153 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114332430226 + ... + 114332430235.

It is an arithmetic number, because the mean of its divisors is an integer number (342997290693).

Almost surely, 2^{1143324302305} is an apocalyptic number.

It is an amenable number.

1143324302305 is a deficient number, since it is larger than the sum of its proper divisors (228664860467).

1143324302305 is an equidigital number, since it uses as much as digits as its factorization.

1143324302305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228664860466.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 1143324302305 its reverse (5032034233411), we get a palindrome (6175358535716).

The spelling of 1143324302305 in words is "one trillion, one hundred forty-three billion, three hundred twenty-four million, three hundred two thousand, three hundred five".