1144203230413 has 4 divisors (see below), whose sum is σ = 1145893339260. Its totient is φ = 1142513121568.

The previous prime is 1144203230399. The next prime is 1144203230459. The reversal of 1144203230413 is 3140323024411.

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 695285810244 + 448917420169 = 833838^2 + 670013^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144203230413 - 2³³ = 1135613295821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144203230713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 845053408 + ... + 845054761.

It is an arithmetic number, because the mean of its divisors is an integer number (286473334815).

Almost surely, 2^{1144203230413} is an apocalyptic number.

It is an amenable number.

1144203230413 is a deficient number, since it is larger than the sum of its proper divisors (1690108847).

1144203230413 is an equidigital number, since it uses as much as digits as its factorization.

1144203230413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1690108846.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1144203230413 its reverse (3140323024411), we get a palindrome (4284526254824).

The spelling of 1144203230413 in words is "one trillion, one hundred forty-four billion, two hundred three million, two hundred thirty thousand, four hundred thirteen".