34445 has 6 divisors (see below), whose sum is σ = 41838.
Its totient is φ = 27224.
The previous prime is 34439. The next prime is 34457. The reversal of 34445 is 54443.
Multipling 34445 by its sum of digits (20), we get a square (688900 = 8302).
Adding to 34445 its reverse (54443), we get a palindrome (88888).
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 27556 + 6889 = 166^2 + 83^2
It is not a de Polignac number, because 34445 - 24 = 34429 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a plaindrome in base 10.
It is a nialpdrome in base 9.
It is a congruent number.
It is an unprimeable number.
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 5 ways as a sum of consecutive naturals, for example, 374 + ... + 456.
It is an arithmetic number, because the mean of its divisors is an integer number (6973).
234445 is an apocalyptic number.
It is an amenable number.
34445 is a deficient number, since it is larger than the sum of its proper divisors (7393).
34445 is an frugal number, since it uses more digits than its factorization.
34445 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 171 (or 88 counting only the distinct ones).
The product of its digits is 960, while the sum is 20.
The square root of 34445 is about 185.5936421325.
The cubic root of 34445 is about 32.5368418497.
The spelling of 34445 in words is "thirty-four thousand, four hundred forty-five".