445841814 has 32 divisors (see below), whose sum is σ = 1004129280. Its totient is φ = 130744800.

The previous prime is 445841807. The next prime is 445841827. The reversal of 445841814 is 418148544.

It is a happy number.

It is a super-2 number, since 2×445841814² = 397549846221621192, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106909 + ... + 111000.

It is an arithmetic number, because the mean of its divisors is an integer number (31379040).

Almost surely, 2^445841814 is an apocalyptic number.

445841814 is an abundant number, since it is smaller than the sum of its proper divisors (558287466).

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

445841814 is a wasteful number, since it uses less digits than its factorization.

445841814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217956.

The product of its digits is 81920, while the sum is 39.

The square root of 445841814 is about 21114.9665877074. The cubic root of 445841814 is about 763.9417860398.

The spelling of 445841814 in words is "four hundred forty-five million, eight hundred forty-one thousand, eight hundred fourteen".