445446356 has 6 divisors (see below), whose sum is σ = 779531130. Its totient is φ = 222723176.

The previous prime is 445446349. The next prime is 445446361. The reversal of 445446356 is 653644544.

It can be written as a sum of positive squares in only one way, i.e., 262764100 + 182682256 = 16210^2 + 13516^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55680791 + ... + 55680798.

It is an arithmetic number, because the mean of its divisors is an integer number (129921855).

Almost surely, 2^445446356 is an apocalyptic number.

It is an amenable number.

445446356 is a deficient number, since it is larger than the sum of its proper divisors (334084774).

445446356 is a wasteful number, since it uses less digits than its factorization.

445446356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111361593 (or 111361591 counting only the distinct ones).

The product of its digits is 691200, while the sum is 41.

The square root of 445446356 is about 21105.6001099234. The cubic root of 445446356 is about 763.7158492109.

The spelling of 445446356 in words is "four hundred forty-five million, four hundred forty-six thousand, three hundred fifty-six".