113223445 has 8 divisors (see below), whose sum is σ = 136374840. Its totient is φ = 90240960.

The previous prime is 113223433. The next prime is 113223491. The reversal of 113223445 is 544322311.

It can be written as a sum of positive squares in 4 ways, for example, as 18861649 + 94361796 = 4343^2 + 9714^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 113223445 - 2⁹ = 113222933 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40746 + ... + 43435.

It is an arithmetic number, because the mean of its divisors is an integer number (17046855).

Almost surely, 2^113223445 is an apocalyptic number.

It is an amenable number.

113223445 is a deficient number, since it is larger than the sum of its proper divisors (23151395).

113223445 is an equidigital number, since it uses as much as digits as its factorization.

113223445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84455.

The product of its digits is 2880, while the sum is 25.

The square root of 113223445 is about 10640.6505910118. The cubic root of 113223445 is about 483.7772650093. Note that the first 3 decimals are identical.

Adding to 113223445 its reverse (544322311), we get a palindrome (657545756).

The spelling of 113223445 in words is "one hundred thirteen million, two hundred twenty-three thousand, four hundred forty-five".