1144244113 has 8 divisors (see below), whose sum is σ = 1176489216. Its totient is φ = 1112205600.

The previous prime is 1144244081. The next prime is 1144244207. The reversal of 1144244113 is 3114424411.

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 1144244113 - 2⁵ = 1144244081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144244513) 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, 40381 + ... + 62602.

It is an arithmetic number, because the mean of its divisors is an integer number (147061152).

Almost surely, 2^1144244113 is an apocalyptic number.

It is an amenable number.

1144244113 is a deficient number, since it is larger than the sum of its proper divisors (32245103).

1144244113 is a wasteful number, since it uses less digits than its factorization.

1144244113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103295.

The product of its digits is 1536, while the sum is 25.

The square root of 1144244113 is about 33826.6775341593. The cubic root of 1144244113 is about 1045.9386918162.

Adding to 1144244113 its reverse (3114424411), we get a palindrome (4258668524).

It can be divided in two parts, 11442 and 44113, that added together give a palindrome (55555).

The spelling of 1144244113 in words is "one billion, one hundred forty-four million, two hundred forty-four thousand, one hundred thirteen".