1144443432 has 64 divisors (see below), whose sum is σ = 3126836160. Its totient is φ = 346176000.

The previous prime is 1144443401. The next prime is 1144443439. The reversal of 1144443432 is 2343444411.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1144443432.

It is not an unprimeable number, because it can be changed into a prime (1144443439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155058 + ... + 162270.

It is an arithmetic number, because the mean of its divisors is an integer number (48856815).

Almost surely, 2^1144443432 is an apocalyptic number.

1144443432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1144443432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1563418080).

1144443432 is an abundant number, since it is smaller than the sum of its proper divisors (1982392728).

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

1144443432 is a wasteful number, since it uses less digits than its factorization.

1144443432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7834 (or 7830 counting only the distinct ones).

The product of its digits is 18432, while the sum is 30.

The square root of 1144443432 is about 33829.6235864368. The cubic root of 1144443432 is about 1045.9994199271. Note that the first 3 decimals are identical.

Adding to 1144443432 its reverse (2343444411), we get a palindrome (3487887843).

The spelling of 1144443432 in words is "one billion, one hundred forty-four million, four hundred forty-three thousand, four hundred thirty-two".