1444428730141 has 2 divisors, whose sum is σ = 1444428730142. Its totient is φ = 1444428730140.

The previous prime is 1444428730133. The next prime is 1444428730159. The reversal of 1444428730141 is 1410378244441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 932673062500 + 511755667641 = 965750^2 + 715371^2 .

It is a cyclic number.

It is not a de Polignac number, because 1444428730141 - 2³ = 1444428730133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1444428790141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722214365070 + 722214365071.

It is an arithmetic number, because the mean of its divisors is an integer number (722214365071).

Almost surely, 2^{1444428730141} is an apocalyptic number.

It is an amenable number.

1444428730141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1444428730141 is an equidigital number, since it uses as much as digits as its factorization.

1444428730141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 344064, while the sum is 43.

The spelling of 1444428730141 in words is "one trillion, four hundred forty-four billion, four hundred twenty-eight million, seven hundred thirty thousand, one hundred forty-one".