1144442001 has 8 divisors (see below), whose sum is σ = 1526689504. Its totient is φ = 762577920.

The previous prime is 1144441997. The next prime is 1144442003. The reversal of 1144442001 is 1002444411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1144442001 - 2² = 1144441997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144442003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88816 + ... + 100881.

It is an arithmetic number, because the mean of its divisors is an integer number (190836188).

Almost surely, 2^1144442001 is an apocalyptic number.

It is an amenable number.

1144442001 is a deficient number, since it is larger than the sum of its proper divisors (382247503).

1144442001 is a wasteful number, since it uses less digits than its factorization.

1144442001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191711.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1144442001 is about 33829.6024363279. The cubic root of 1144442001 is about 1045.9989839581.

Adding to 1144442001 its reverse (1002444411), we get a palindrome (2146886412).

The spelling of 1144442001 in words is "one billion, one hundred forty-four million, four hundred forty-two thousand, one".