228145175 has 24 divisors (see below), whose sum is σ = 295442400. Its totient is φ = 174545280.

The previous prime is 228145123. The next prime is 228145187. The reversal of 228145175 is 571541822.

228145175 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 228145175 - 2⁶ = 228145111 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77582 + ... + 80468.

It is an arithmetic number, because the mean of its divisors is an integer number (12310100).

Almost surely, 2^228145175 is an apocalyptic number.

228145175 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

228145175 is a deficient number, since it is larger than the sum of its proper divisors (67297225).

228145175 is a wasteful number, since it uses less digits than its factorization.

228145175 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3035 (or 3030 counting only the distinct ones).

The product of its digits is 22400, while the sum is 35.

The square root of 228145175 is about 15104.4753301795. The cubic root of 228145175 is about 611.0411093065.

Adding to 228145175 its reverse (571541822), we get a palindrome (799686997).

The spelling of 228145175 in words is "two hundred twenty-eight million, one hundred forty-five thousand, one hundred seventy-five".