1144322403 has 8 divisors (see below), whose sum is σ = 1743729408. Its totient is φ = 653898504.

The previous prime is 1144322369. The next prime is 1144322449. The reversal of 1144322403 is 3042234411.

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

It is not a de Polignac number, because 1144322403 - 2⁸ = 1144322147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1144322453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27245751 + ... + 27245792.

It is an arithmetic number, because the mean of its divisors is an integer number (217966176).

Almost surely, 2^1144322403 is an apocalyptic number.

1144322403 is a deficient number, since it is larger than the sum of its proper divisors (599407005).

1144322403 is an equidigital number, since it uses as much as digits as its factorization.

1144322403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54491553.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1144322403 is about 33827.8347370919. The cubic root of 1144322403 is about 1045.9625458964.

Adding to 1144322403 its reverse (3042234411), we get a palindrome (4186556814).

The spelling of 1144322403 in words is "one billion, one hundred forty-four million, three hundred twenty-two thousand, four hundred three".