1445083738517 has 2 divisors, whose sum is σ = 1445083738518. Its totient is φ = 1445083738516.

The previous prime is 1445083738499. The next prime is 1445083738541. The reversal of 1445083738517 is 7158373805441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 953999539441 + 491084199076 = 976729^2 + 700774^2 .

It is a cyclic number.

It is not a de Polignac number, because 1445083738517 - 2⁸ = 1445083738261 is a prime.

It is a super-2 number, since 2×1445083738517² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1445083734517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722541869258 + 722541869259.

It is an arithmetic number, because the mean of its divisors is an integer number (722541869259).

Almost surely, 2^{1445083738517} is an apocalyptic number.

It is an amenable number.

1445083738517 is a deficient number, since it is larger than the sum of its proper divisors (1).

1445083738517 is an equidigital number, since it uses as much as digits as its factorization.

1445083738517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11289600, while the sum is 56.

The spelling of 1445083738517 in words is "one trillion, four hundred forty-five billion, eighty-three million, seven hundred thirty-eight thousand, five hundred seventeen".