1144443001 has 8 divisors (see below), whose sum is σ = 1253367360. Its totient is φ = 1038502992.

The previous prime is 1144442983. The next prime is 1144443007. The reversal of 1144443001 is 1003444411.

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 1144443001 - 2¹⁷ = 1144311929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144443007) 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, 745285 + ... + 746818.

It is an arithmetic number, because the mean of its divisors is an integer number (156670920).

Almost surely, 2^1144443001 is an apocalyptic number.

It is an amenable number.

1144443001 is a deficient number, since it is larger than the sum of its proper divisors (108924359).

1144443001 is a wasteful number, since it uses less digits than its factorization.

1144443001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492175.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1144443001 is about 33829.6172162796. The cubic root of 1144443001 is about 1045.9992886185. Note that the first 3 decimals are identical.

Adding to 1144443001 its reverse (1003444411), we get a palindrome (2147887412).

It can be divided in two parts, 11444 and 43001, that added together give a palindrome (54445).

The spelling of 1144443001 in words is "one billion, one hundred forty-four million, four hundred forty-three thousand, one".