445656212 has 6 divisors (see below), whose sum is σ = 779898378. Its totient is φ = 222828104.

The previous prime is 445656203. The next prime is 445656251. The reversal of 445656212 is 212656544.

It can be written as a sum of positive squares in only one way, i.e., 240994576 + 204661636 = 15524^2 + 14306^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55707023 + ... + 55707030.

It is an arithmetic number, because the mean of its divisors is an integer number (129983063).

Almost surely, 2^445656212 is an apocalyptic number.

It is an amenable number.

445656212 is a deficient number, since it is larger than the sum of its proper divisors (334242166).

445656212 is a wasteful number, since it uses less digits than its factorization.

445656212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111414057 (or 111414055 counting only the distinct ones).

The product of its digits is 57600, while the sum is 35.

The square root of 445656212 is about 21110.5710960173. The cubic root of 445656212 is about 763.8357627831.

The spelling of 445656212 in words is "four hundred forty-five million, six hundred fifty-six thousand, two hundred twelve".