445456 has 20 divisors (see below), whose sum is σ = 941904. Its totient is φ = 202400.

The previous prime is 445453. The next prime is 445463. The reversal of 445456 is 654544.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (445453) 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 in 3 ways as a sum of consecutive naturals, for example, 1090 + ... + 1441.

2⁴⁴⁵⁴⁵⁶ is an apocalyptic number.

It is an amenable number.

445456 is an abundant number, since it is smaller than the sum of its proper divisors (496448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

445456 is a wasteful number, since it uses less digits than its factorization.

445456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550 (or 2544 counting only the distinct ones).

The product of its digits is 9600, while the sum is 28.

The square root of 445456 is about 667.4249021426. The cubic root of 445456 is about 76.3721360703.

It can be divided in two parts, 44545 and 6, that added together give a triangular number (44551 = T₂₉₈).

The spelling of 445456 in words is "four hundred forty-five thousand, four hundred fifty-six".