445310212 has 12 divisors (see below), whose sum is σ = 787009356. Its totient is φ = 220450400.

The previous prime is 445310209. The next prime is 445310221. The reversal of 445310212 is 212013544.

It can be written as a sum of positive squares in 2 ways, for example, as 404170816 + 41139396 = 20104^2 + 6414^2 .

It is a super-2 number, since 2×445310212² = 396602369822969888, which contains 22 as substring.

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, 550723 + ... + 551530.

It is an arithmetic number, because the mean of its divisors is an integer number (65584113).

Almost surely, 2^445310212 is an apocalyptic number.

It is an amenable number.

445310212 is a deficient number, since it is larger than the sum of its proper divisors (341699144).

445310212 is a wasteful number, since it uses less digits than its factorization.

445310212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102358 (or 1102356 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 445310212 is about 21102.3745583287. The cubic root of 445310212 is about 763.6380351832.

Adding to 445310212 its reverse (212013544), we get a palindrome (657323756).

The spelling of 445310212 in words is "four hundred forty-five million, three hundred ten thousand, two hundred twelve".