1144134231 has 8 divisors (see below), whose sum is σ = 1527546624. Its totient is φ = 761739000.

The previous prime is 1144134227. The next prime is 1144134247. The reversal of 1144134231 is 1324314411.

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

It is not a de Polignac number, because 1144134231 - 2² = 1144134227 is a prime.

It is a super-2 number, since 2×1144134231² = 2618086277091922722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144134031) 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, 251661 + ... + 256166.

It is an arithmetic number, because the mean of its divisors is an integer number (190943328).

Almost surely, 2^1144134231 is an apocalyptic number.

1144134231 is a deficient number, since it is larger than the sum of its proper divisors (383412393).

1144134231 is an equidigital number, since it uses as much as digits as its factorization.

1144134231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508581.

The product of its digits is 1152, while the sum is 24.

The square root of 1144134231 is about 33825.0533037274. The cubic root of 1144134231 is about 1045.9052101744.

Adding to 1144134231 its reverse (1324314411), we get a palindrome (2468448642).

The spelling of 1144134231 in words is "one billion, one hundred forty-four million, one hundred thirty-four thousand, two hundred thirty-one".