1144312253 has 8 divisors (see below), whose sum is σ = 1308292608. Its totient is φ = 980458704.

The previous prime is 1144312217. The next prime is 1144312271. The reversal of 1144312253 is 3522134411.

It is a happy number.

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 1144312253 - 2¹⁰ = 1144311229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144312553) 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, 11501 + ... + 49202.

It is an arithmetic number, because the mean of its divisors is an integer number (163536576).

Almost surely, 2^1144312253 is an apocalyptic number.

It is an amenable number.

1144312253 is a deficient number, since it is larger than the sum of its proper divisors (163980355).

1144312253 is an equidigital number, since it uses as much as digits as its factorization.

1144312253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63403.

The product of its digits is 2880, while the sum is 26.

The square root of 1144312253 is about 33827.6847123772. The cubic root of 1144312253 is about 1045.9594533673.

Adding to 1144312253 its reverse (3522134411), we get a palindrome (4666446664).

The spelling of 1144312253 in words is "one billion, one hundred forty-four million, three hundred twelve thousand, two hundred fifty-three".