445434 has 32 divisors (see below), whose sum is σ = 1031616. Its totient is φ = 126720.

The previous prime is 445433. The next prime is 445447. The reversal of 445434 is 434544.

445434 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×445434² = 396822896712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (445433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 924 + ... + 1320.

It is an arithmetic number, because the mean of its divisors is an integer number (32238).

2⁴⁴⁵⁴³⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 445434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (515808).

445434 is an abundant number, since it is smaller than the sum of its proper divisors (586182).

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

445434 is a wasteful number, since it uses less digits than its factorization.

445434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430.

The product of its digits is 3840, while the sum is 24.

The square root of 445434 is about 667.4084206841. The cubic root of 445434 is about 76.3708787709.

Adding to 445434 its reverse (434544), we get a palindrome (879978).

The spelling of 445434 in words is "four hundred forty-five thousand, four hundred thirty-four".