1444000001 has 4 divisors (see below), whose sum is σ = 1444160004. Its totient is φ = 1443840000.

The previous prime is 1443999983. The next prime is 1444000003. The reversal of 1444000001 is 1000004441.

It is a Cunningham number, because it is equal to 38000²+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1000004441 = 239 ⋅4184119.

It can be written as a sum of positive squares in 2 ways, for example, as 1118233600 + 325766401 = 33440^2 + 18049^2 .

It is a cyclic number.

It is not a de Polignac number, because 1444000001 - 2⁶ = 1443999937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1444000001.

It is not an unprimeable number, because it can be changed into a prime (1444000003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65600 + ... + 84801.

It is an arithmetic number, because the mean of its divisors is an integer number (361040001).

Almost surely, 2^1444000001 is an apocalyptic number.

It is an amenable number.

1444000001 is a deficient number, since it is larger than the sum of its proper divisors (160003).

1444000001 is an equidigital number, since it uses as much as digits as its factorization.

1444000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160002.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1444000001 is about 38000.0000131579. Note that the first 4 decimals coincide. The cubic root of 1444000001 is about 1130.2878638530.

Adding to 1444000001 its reverse (1000004441), we get a palindrome (2444004442).

The spelling of 1444000001 in words is "one billion, four hundred forty-four million, one", and thus it is an aban number.