445322141223544 has 64 divisors (see below), whose sum is σ = 900266142384000. Its totient is φ = 205291538049024.

The previous prime is 445322141223521. The next prime is 445322141223563.

445322141223544 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 445322141223494 and 445322141223503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 670992382 + ... + 671655730.

It is an arithmetic number, because the mean of its divisors is an integer number (14066658474750).

Almost surely, 2^{445322141223544} is an apocalyptic number.

It is an amenable number.

445322141223544 is an abundant number, since it is smaller than the sum of its proper divisors (454944001160456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

445322141223544 is a wasteful number, since it uses less digits than its factorization.

445322141223544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670952 (or 670948 counting only the distinct ones).

The product of its digits is 3686400, while the sum is 46.

The spelling of 445322141223544 in words is "four hundred forty-five trillion, three hundred twenty-two billion, one hundred forty-one million, two hundred twenty-three thousand, five hundred forty-four".