445456143000389 has 2 divisors, whose sum is σ = 445456143000390. Its totient is φ = 445456143000388.

The previous prime is 445456143000283. The next prime is 445456143000391. The reversal of 445456143000389 is 983000341654544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 283124539953025 + 162331603047364 = 16826305^2 + 12740942^2 .

It is a cyclic number.

It is not a de Polignac number, because 445456143000389 - 2¹⁶ = 445456142934853 is a prime.

Together with 445456143000391, 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 (445456143009389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222728071500194 + 222728071500195.

It is an arithmetic number, because the mean of its divisors is an integer number (222728071500195).

Almost surely, 2^{445456143000389} is an apocalyptic number.

It is an amenable number.

445456143000389 is a deficient number, since it is larger than the sum of its proper divisors (1).

445456143000389 is an equidigital number, since it uses as much as digits as its factorization.

445456143000389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24883200, while the sum is 56.

The spelling of 445456143000389 in words is "four hundred forty-five trillion, four hundred fifty-six billion, one hundred forty-three million, three hundred eighty-nine", and thus it is an aban number.