445312444213544 has 32 divisors (see below), whose sum is σ = 836692420811400. Its totient is φ = 222194560700160.

The previous prime is 445312444213409. The next prime is 445312444213573.

It is a happy number.

445312444213544 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 422139677497444 + 23172766716100 = 20546038^2 + 4813810^2 .

It is a junction number, because it is equal to n+sod(n) for n = 445312444213492 and 445312444213501.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31429274 + ... + 43340790.

Almost surely, 2^{445312444213544} is an apocalyptic number.

It is an amenable number.

445312444213544 is a deficient number, since it is larger than the sum of its proper divisors (391379976597856).

445312444213544 is a wasteful number, since it uses less digits than its factorization.

445312444213544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11921213 (or 11921209 counting only the distinct ones).

The product of its digits is 14745600, while the sum is 50.

The spelling of 445312444213544 in words is "four hundred forty-five trillion, three hundred twelve billion, four hundred forty-four million, two hundred thirteen thousand, five hundred forty-four".