1144224133 has 6 divisors (see below), whose sum is σ = 1239012114. Its totient is φ = 1056206736.

The previous prime is 1144224131. The next prime is 1144224161. The reversal of 1144224133 is 3314224411.

It can be written as a sum of positive squares in 3 ways, for example, as 567009 + 1143657124 = 753^2 + 33818^2 .

It is not a de Polignac number, because 1144224133 - 2¹ = 1144224131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1144224098 and 1144224107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144224131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3385110 + ... + 3385447.

It is an arithmetic number, because the mean of its divisors is an integer number (206502019).

Almost surely, 2^1144224133 is an apocalyptic number.

1144224133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1144224133 is a deficient number, since it is larger than the sum of its proper divisors (94787981).

1144224133 is an equidigital number, since it uses as much as digits as its factorization.

1144224133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6770583 (or 6770570 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 1144224133 is about 33826.3822038361. The cubic root of 1144224133 is about 1045.9326039612.

Adding to 1144224133 its reverse (3314224411), we get a palindrome (4458448544).

The spelling of 1144224133 in words is "one billion, one hundred forty-four million, two hundred twenty-four thousand, one hundred thirty-three".