445332214 has 8 divisors (see below), whose sum is σ = 668463048. Its totient is φ = 222511200.

The previous prime is 445332197. The next prime is 445332247. The reversal of 445332214 is 412233544.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×445332214² = 396641561652283592, which contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 73827 + ... + 79630.

It is an arithmetic number, because the mean of its divisors is an integer number (83557881).

Almost surely, 2^445332214 is an apocalyptic number.

445332214 is a deficient number, since it is larger than the sum of its proper divisors (223130834).

445332214 is a wasteful number, since it uses less digits than its factorization.

445332214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154910.

The product of its digits is 11520, while the sum is 28.

The square root of 445332214 is about 21102.8958676292. The cubic root of 445332214 is about 763.6506116501.

Adding to 445332214 its reverse (412233544), we get a palindrome (857565758).

The spelling of 445332214 in words is "four hundred forty-five million, three hundred thirty-two thousand, two hundred fourteen".