1144633336 has 96 divisors (see below), whose sum is σ = 2811732480. Its totient is φ = 431524800.

The previous prime is 1144633331. The next prime is 1144633337. The reversal of 1144633336 is 6333364411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144633331) 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 23 ways as a sum of consecutive naturals, for example, 129391 + ... + 137953.

It is an arithmetic number, because the mean of its divisors is an integer number (29288880).

Almost surely, 2^1144633336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1144633336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1405866240).

1144633336 is an abundant number, since it is smaller than the sum of its proper divisors (1667099144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1144633336 is a wasteful number, since it uses less digits than its factorization.

1144633336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8625 (or 8614 counting only the distinct ones).

The product of its digits is 46656, while the sum is 34.

The square root of 1144633336 is about 33832.4302408207. The cubic root of 1144633336 is about 1046.0572729359.

Adding to 1144633336 its reverse (6333364411), we get a palindrome (7477997747).

The spelling of 1144633336 in words is "one billion, one hundred forty-four million, six hundred thirty-three thousand, three hundred thirty-six".