225445103 has 16 divisors (see below), whose sum is σ = 254016000. Its totient is φ = 198526944.

The previous prime is 225445091. The next prime is 225445111. The reversal of 225445103 is 301544522.

It is a happy number.

225445103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 225445103 - 2⁶ = 225445039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225445133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149648 + ... + 151146.

It is an arithmetic number, because the mean of its divisors is an integer number (15876000).

Almost surely, 2^225445103 is an apocalyptic number.

225445103 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

225445103 is a deficient number, since it is larger than the sum of its proper divisors (28570897).

225445103 is a wasteful number, since it uses less digits than its factorization.

225445103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2038.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 225445103 is about 15014.8294362607. The cubic root of 225445103 is about 608.6210029870.

Adding to 225445103 its reverse (301544522), we get a palindrome (526989625).

The spelling of 225445103 in words is "two hundred twenty-five million, four hundred forty-five thousand, one hundred three".