1445714442873 has 6 divisors (see below), whose sum is σ = 2088254195274. Its totient is φ = 963809628576.

The previous prime is 1445714442869. The next prime is 1445714442889. The reversal of 1445714442873 is 3782444175441.

1445714442873 is a `hidden beast` number, since 1 + 4 + 4 + 5 + 7 + 144 + 428 + 73 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1222767100944 + 222947341929 = 1105788^2 + 472173^2 .

It is not a de Polignac number, because 1445714442873 - 2² = 1445714442869 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1445714442863) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 80317469040 + ... + 80317469057.

It is an arithmetic number, because the mean of its divisors is an integer number (348042365879).

Almost surely, 2^{1445714442873} is an apocalyptic number.

It is an amenable number.

1445714442873 is a deficient number, since it is larger than the sum of its proper divisors (642539752401).

1445714442873 is a wasteful number, since it uses less digits than its factorization.

1445714442873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160634938103 (or 160634938100 counting only the distinct ones).

The product of its digits is 12042240, while the sum is 54.

The spelling of 1445714442873 in words is "one trillion, four hundred forty-five billion, seven hundred fourteen million, four hundred forty-two thousand, eight hundred seventy-three".