225148943 has 2 divisors, whose sum is σ = 225148944. Its totient is φ = 225148942.

The previous prime is 225148927. The next prime is 225148961. The reversal of 225148943 is 349841522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225148943 - 2⁴ = 225148927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 225148897 and 225148906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225148843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112574471 + 112574472.

It is an arithmetic number, because the mean of its divisors is an integer number (112574472).

Almost surely, 2^225148943 is an apocalyptic number.

225148943 is a deficient number, since it is larger than the sum of its proper divisors (1).

225148943 is an equidigital number, since it uses as much as digits as its factorization.

225148943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 38.

The square root of 225148943 is about 15004.9639453082. The cubic root of 225148943 is about 608.3543775710.

The spelling of 225148943 in words is "two hundred twenty-five million, one hundred forty-eight thousand, nine hundred forty-three".