234445 has 4 divisors (see below), whose sum is σ = 281340. Its totient is φ = 187552.

The previous prime is 234431. The next prime is 234457. The reversal of 234445 is 544432.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 100489 + 133956 = 317^2 + 366^2 .

It is a cyclic number.

It is not a de Polignac number, because 234445 - 2⁷ = 234317 is a prime.

It is an Ulam number.

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable 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 in 3 ways as a sum of consecutive naturals, for example, 23440 + ... + 23449.

It is an arithmetic number, because the mean of its divisors is an integer number (70335).

2²³⁴⁴⁴⁵ is an apocalyptic number.

It is an amenable number.

234445 is a deficient number, since it is larger than the sum of its proper divisors (46895).

234445 is an equidigital number, since it uses as much as digits as its factorization.

234445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46894.

The product of its digits is 1920, while the sum is 22.

The square root of 234445 is about 484.1952085678. The cubic root of 234445 is about 61.6614393751.

Adding to 234445 its reverse (544432), we get a palindrome (778877).

The spelling of 234445 in words is "two hundred thirty-four thousand, four hundred forty-five".