445223814 has 16 divisors (see below), whose sum is σ = 1017654528. Its totient is φ = 127206792.

The previous prime is 445223813. The next prime is 445223819. The reversal of 445223814 is 418322544.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445223813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5300242 + ... + 5300325.

It is an arithmetic number, because the mean of its divisors is an integer number (63603408).

Almost surely, 2^445223814 is an apocalyptic number.

445223814 is an abundant number, since it is smaller than the sum of its proper divisors (572430714).

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

445223814 is a wasteful number, since it uses less digits than its factorization.

445223814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10600579.

The product of its digits is 30720, while the sum is 33.

The square root of 445223814 is about 21100.3273434324. The cubic root of 445223814 is about 763.5886455933.

The spelling of 445223814 in words is "four hundred forty-five million, two hundred twenty-three thousand, eight hundred fourteen".