445345141543543 has 4 divisors (see below), whose sum is σ = 445345248585640. Its totient is φ = 445345034501448.

The previous prime is 445345141543403. The next prime is 445345141543559. The reversal of 445345141543543 is 345345141543544.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 445345141543543 - 2¹³ = 445345141535351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445345141543573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47016873 + ... + 55689106.

It is an arithmetic number, because the mean of its divisors is an integer number (111336312146410).

Almost surely, 2^{445345141543543} is an apocalyptic number.

445345141543543 is a deficient number, since it is larger than the sum of its proper divisors (107042097).

445345141543543 is a wasteful number, since it uses less digits than its factorization.

445345141543543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107042096.

The product of its digits is 69120000, while the sum is 55.

Subtracting from 445345141543543 its reverse (345345141543544), we obtain a palindrome (99999999999999).

The spelling of 445345141543543 in words is "four hundred forty-five trillion, three hundred forty-five billion, one hundred forty-one million, five hundred forty-three thousand, five hundred forty-three".