1444428730143 has 24 divisors (see below), whose sum is σ = 2384684330496. Its totient is φ = 825308038800.

The previous prime is 1444428730141. The next prime is 1444428730159. The reversal of 1444428730143 is 3410378244441.

1444428730143 is a `hidden beast` number, since 14 + 4 + 4 + 428 + 73 + 0 + 143 = 666.

It is not a de Polignac number, because 1444428730143 - 2¹ = 1444428730141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444428730141) 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, 448603 + ... + 1757868.

It is an arithmetic number, because the mean of its divisors is an integer number (99361847104).

Almost surely, 2^{1444428730143} is an apocalyptic number.

1444428730143 is a deficient number, since it is larger than the sum of its proper divisors (940255600353).

1444428730143 is a wasteful number, since it uses less digits than its factorization.

1444428730143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2216875 (or 2216872 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 45.

The spelling of 1444428730143 in words is "one trillion, four hundred forty-four billion, four hundred twenty-eight million, seven hundred thirty thousand, one hundred forty-three".