1144453243 has 8 divisors (see below), whose sum is σ = 1237557312. Its totient is φ = 1054214016.

The previous prime is 1144453229. The next prime is 1144453249. The reversal of 1144453243 is 3423544411.

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 1144453243 - 2¹⁷ = 1144322171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144453249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 715380 + ... + 716977.

It is an arithmetic number, because the mean of its divisors is an integer number (154694664).

Almost surely, 2^1144453243 is an apocalyptic number.

1144453243 is a deficient number, since it is larger than the sum of its proper divisors (93104069).

1144453243 is a wasteful number, since it uses less digits than its factorization.

1144453243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432421.

The product of its digits is 23040, while the sum is 31.

The square root of 1144453243 is about 33829.7685921734. The cubic root of 1144453243 is about 1046.0024089407.

Adding to 1144453243 its reverse (3423544411), we get a palindrome (4567997654).

The spelling of 1144453243 in words is "one billion, one hundred forty-four million, four hundred fifty-three thousand, two hundred forty-three".