1444312400103 has 12 divisors (see below), whose sum is σ = 2091484012488. Its totient is φ = 960449553360.

The previous prime is 1444312400059. The next prime is 1444312400117. The reversal of 1444312400103 is 3010042134441.

1444312400103 is a `hidden beast` number, since 144 + 4 + 3 + 12 + 400 + 103 = 666.

It is not a de Polignac number, because 1444312400103 - 2⁹ = 1444312399591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444312405103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 202111233 + ... + 202118378.

It is an arithmetic number, because the mean of its divisors is an integer number (174290334374).

Almost surely, 2^{1444312400103} is an apocalyptic number.

1444312400103 is a deficient number, since it is larger than the sum of its proper divisors (647171612385).

1444312400103 is a wasteful number, since it uses less digits than its factorization.

1444312400103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404230014 (or 404230011 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 1444312400103 its reverse (3010042134441), we get a palindrome (4454354534544).

The spelling of 1444312400103 in words is "one trillion, four hundred forty-four billion, three hundred twelve million, four hundred thousand, one hundred three".