445766221632243 has 16 divisors (see below), whose sum is σ = 595681673527296. Its totient is φ = 296514707055840.

The previous prime is 445766221632203. The next prime is 445766221632293. The reversal of 445766221632243 is 342236122667544.

It is not a de Polignac number, because 445766221632243 - 2²⁶ = 445766154523379 is a prime.

It is a super-2 number, since 2×445766221632243² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (445766221632203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69638643 + ... + 75769868.

It is an arithmetic number, because the mean of its divisors is an integer number (37230104595456).

Almost surely, 2^{445766221632243} is an apocalyptic number.

445766221632243 is a deficient number, since it is larger than the sum of its proper divisors (149915451895053).

445766221632243 is a wasteful number, since it uses less digits than its factorization.

445766221632243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145410794.

The product of its digits is 69672960, while the sum is 57.

The spelling of 445766221632243 in words is "four hundred forty-five trillion, seven hundred sixty-six billion, two hundred twenty-one million, six hundred thirty-two thousand, two hundred forty-three".