445433212 has 12 divisors (see below), whose sum is σ = 890866480. Its totient is φ = 190899936.

The previous prime is 445433179. The next prime is 445433279. The reversal of 445433212 is 212334544.

It is a happy number.

445433212 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 15908329 = 445433212 / (4 + 4 + 5 + 4 + 3 + 3 + 2 + 1 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7954137 + ... + 7954192.

Almost surely, 2^445433212 is an apocalyptic number.

It is an amenable number.

445433212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

445433212 is a wasteful number, since it uses less digits than its factorization.

445433212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15908340 (or 15908338 counting only the distinct ones).

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

The square root of 445433212 is about 21105.2887210765. The cubic root of 445433212 is about 763.7083373600.

Adding to 445433212 its reverse (212334544), we get a palindrome (657767756).

The spelling of 445433212 in words is "four hundred forty-five million, four hundred thirty-three thousand, two hundred twelve".