445341143543 has 2 divisors, whose sum is σ = 445341143544. Its totient is φ = 445341143542.

The previous prime is 445341143539. The next prime is 445341143609. The reversal of 445341143543 is 345341143544.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 445341143543 - 2² = 445341143539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 445341143543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445341143743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222670571771 + 222670571772.

It is an arithmetic number, because the mean of its divisors is an integer number (222670571772).

Almost surely, 2^445341143543 is an apocalyptic number.

445341143543 is a deficient number, since it is larger than the sum of its proper divisors (1).

445341143543 is an equidigital number, since it uses as much as digits as its factorization.

445341143543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 691200, while the sum is 41.

Subtracting from 445341143543 its reverse (345341143544), we obtain a palindrome (99999999999).

The spelling of 445341143543 in words is "four hundred forty-five billion, three hundred forty-one million, one hundred forty-three thousand, five hundred forty-three".