445582 has 4 divisors (see below), whose sum is σ = 668376. Its totient is φ = 222790.

The previous prime is 445573. The next prime is 445583. The reversal of 445582 is 285544.

445582 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 445582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111394 + ... + 111397.

It is an arithmetic number, because the mean of its divisors is an integer number (167094).

2⁴⁴⁵⁵⁸² is an apocalyptic number.

445582 is a deficient number, since it is larger than the sum of its proper divisors (222794).

445582 is a wasteful number, since it uses less digits than its factorization.

445582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222793.

The product of its digits is 6400, while the sum is 28.

The square root of 445582 is about 667.5192881108. The cubic root of 445582 is about 76.3793361694.

The spelling of 445582 in words is "four hundred forty-five thousand, five hundred eighty-two".