225144875 has 16 divisors (see below), whose sum is σ = 281409024. Its totient is φ = 179841600.

The previous prime is 225144869. The next prime is 225144877. The reversal of 225144875 is 578441522.

It is not a de Polignac number, because 225144875 - 2⁴ = 225144859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225144877) 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, 135047 + ... + 136703.

It is an arithmetic number, because the mean of its divisors is an integer number (17588064).

Almost surely, 2^225144875 is an apocalyptic number.

225144875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

225144875 is a deficient number, since it is larger than the sum of its proper divisors (56264149).

225144875 is a wasteful number, since it uses less digits than its factorization.

225144875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2759 (or 2749 counting only the distinct ones).

The product of its digits is 89600, while the sum is 38.

The square root of 225144875 is about 15004.8283895551. The cubic root of 225144875 is about 608.3507136253.

The spelling of 225144875 in words is "two hundred twenty-five million, one hundred forty-four thousand, eight hundred seventy-five".