445220022543 has 16 divisors (see below), whose sum is σ = 603834316800. Its totient is φ = 291711974400.

The previous prime is 445220022491. The next prime is 445220022589. The reversal of 445220022543 is 345220022544.

It is not a de Polignac number, because 445220022543 - 2⁹ = 445220022031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445220022743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 433743 + ... + 1038543.

It is an arithmetic number, because the mean of its divisors is an integer number (37739644800).

Almost surely, 2^445220022543 is an apocalyptic number.

445220022543 is a deficient number, since it is larger than the sum of its proper divisors (158614294257).

445220022543 is a wasteful number, since it uses less digits than its factorization.

445220022543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609022.

The product of its (nonzero) digits is 76800, while the sum is 33.

Subtracting from 445220022543 its reverse (345220022544), we obtain a palindrome (99999999999).

The spelling of 445220022543 in words is "four hundred forty-five billion, two hundred twenty million, twenty-two thousand, five hundred forty-three".