1144312203 has 8 divisors (see below), whose sum is σ = 1526701968. Its totient is φ = 762398624.

The previous prime is 1144312129. The next prime is 1144312217. The reversal of 1144312203 is 3022134411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1144312203 - 2⁸ = 1144311947 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1144312203.

It is not an unprimeable number, because it can be changed into a prime (1144310203) 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 7 ways as a sum of consecutive naturals, for example, 113400 + ... + 123077.

It is an arithmetic number, because the mean of its divisors is an integer number (190837746).

Almost surely, 2^1144312203 is an apocalyptic number.

1144312203 is a deficient number, since it is larger than the sum of its proper divisors (382389765).

1144312203 is a wasteful number, since it uses less digits than its factorization.

1144312203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238093.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1144312203 is about 33827.6839733376. The cubic root of 1144312203 is about 1045.9594381331.

Adding to 1144312203 its reverse (3022134411), we get a palindrome (4166446614).

The spelling of 1144312203 in words is "one billion, one hundred forty-four million, three hundred twelve thousand, two hundred three".