1445083738541 has 2 divisors, whose sum is σ = 1445083738542. Its totient is φ = 1445083738540.

The previous prime is 1445083738517. The next prime is 1445083738543. The reversal of 1445083738541 is 1458373805441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1178590325641 + 266493412900 = 1085629^2 + 516230^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1445083738541 is a prime.

It is a super-2 number, since 2×1445083738541² (a number of 25 digits) contains 22 as substring.

Together with 1445083738543, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1445083738543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722541869270 + 722541869271.

It is an arithmetic number, because the mean of its divisors is an integer number (722541869271).

Almost surely, 2^{1445083738541} is an apocalyptic number.

It is an amenable number.

1445083738541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1445083738541 is an equidigital number, since it uses as much as digits as its factorization.

1445083738541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6451200, while the sum is 53.

The spelling of 1445083738541 in words is "one trillion, four hundred forty-five billion, eighty-three million, seven hundred thirty-eight thousand, five hundred forty-one".