1444001103 has 24 divisors (see below), whose sum is σ = 2145455312. Its totient is φ = 935359488.

The previous prime is 1444001093. The next prime is 1444001129. The reversal of 1444001103 is 3011004441.

It is not a de Polignac number, because 1444001103 - 2⁴ = 1444001087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444001003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65025 + ... + 84357.

Almost surely, 2^1444001103 is an apocalyptic number.

1444001103 is a deficient number, since it is larger than the sum of its proper divisors (701454209).

1444001103 is a wasteful number, since it uses less digits than its factorization.

1444001103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19575 (or 19572 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1444001103 is about 38000.0145131551. The cubic root of 1444001103 is about 1130.2881513823.

Adding to 1444001103 its reverse (3011004441), we get a palindrome (4455005544).

The spelling of 1444001103 in words is "one billion, four hundred forty-four million, one thousand, one hundred three".