445448 has 8 divisors (see below), whose sum is σ = 835230. Its totient is φ = 222720.

The previous prime is 445447. The next prime is 445453. The reversal of 445448 is 844544.

445448 is nontrivially palindromic in base 15.

445448 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 386884 + 58564 = 622^2 + 242^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 445448.

It is not an unprimeable number, because it can be changed into a prime (445447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27833 + ... + 27848.

2⁴⁴⁵⁴⁴⁸ is an apocalyptic number.

It is an amenable number.

445448 is a deficient number, since it is larger than the sum of its proper divisors (389782).

445448 is a wasteful number, since it uses less digits than its factorization.

445448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55687 (or 55683 counting only the distinct ones).

The product of its digits is 10240, while the sum is 29.

The square root of 445448 is about 667.4189089320. The cubic root of 445448 is about 76.3716788753.

The spelling of 445448 in words is "four hundred forty-five thousand, four hundred forty-eight".