1444321105 has 32 divisors (see below), whose sum is σ = 1864512000. Its totient is φ = 1070226432.

The previous prime is 1444321079. The next prime is 1444321111. The reversal of 1444321105 is 5011234441.

It is not a de Polignac number, because 1444321105 - 2¹⁵ = 1444288337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1444321105.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1741831 + ... + 1742659.

It is an arithmetic number, because the mean of its divisors is an integer number (58266000).

Almost surely, 2^1444321105 is an apocalyptic number.

It is an amenable number.

1444321105 is a deficient number, since it is larger than the sum of its proper divisors (420190895).

1444321105 is a wasteful number, since it uses less digits than its factorization.

1444321105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1444321105 is about 38004.2248309316. The cubic root of 1444321105 is about 1130.3716387964.

Adding to 1444321105 its reverse (5011234441), we get a palindrome (6455555546).

The spelling of 1444321105 in words is "one billion, four hundred forty-four million, three hundred twenty-one thousand, one hundred five".