225144041 has 6 divisors (see below), whose sum is σ = 232642026. Its totient is φ = 217880400.

The previous prime is 225144037. The next prime is 225144047. The reversal of 225144041 is 140441522.

It can be written as a sum of positive squares in only one way, i.e., 225120016 + 24025 = 15004^2 + 155^2 .

It is not a de Polignac number, because 225144041 - 2² = 225144037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225143998 and 225144016.

It is not an unprimeable number, because it can be changed into a prime (225144047) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 116180 + ... + 118101.

It is an arithmetic number, because the mean of its divisors is an integer number (38773671).

Almost surely, 2^225144041 is an apocalyptic number.

It is an amenable number.

225144041 is a deficient number, since it is larger than the sum of its proper divisors (7497985).

225144041 is an equidigital number, since it uses as much as digits as its factorization.

225144041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234343 (or 234312 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 225144041 is about 15004.8005984751. The cubic root of 225144041 is about 608.3499624570.

Adding to 225144041 its reverse (140441522), we get a palindrome (365585563).

The spelling of 225144041 in words is "two hundred twenty-five million, one hundred forty-four thousand, forty-one".