445052 has 6 divisors (see below), whose sum is σ = 778848. Its totient is φ = 222524.

The previous prime is 445033. The next prime is 445069. The reversal of 445052 is 250544.

It is a happy number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 445052.

It is an unprimeable number.

445052 is an untouchable number, because it is not equal to the sum of proper divisors of any 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, 55628 + ... + 55635.

It is an arithmetic number, because the mean of its divisors is an integer number (129808).

2⁴⁴⁵⁰⁵² is an apocalyptic number.

It is an amenable number.

445052 is a deficient number, since it is larger than the sum of its proper divisors (333796).

445052 is a wasteful number, since it uses less digits than its factorization.

445052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111267 (or 111265 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 445052 is about 667.1221777156. The cubic root of 445052 is about 76.3490408785.

Adding to 445052 its reverse (250544), we get a palindrome (695596).

The spelling of 445052 in words is "four hundred forty-five thousand, fifty-two".