228145116 has 12 divisors (see below), whose sum is σ = 532338632. Its totient is φ = 76048368.

The previous prime is 228145111. The next prime is 228145121. The reversal of 228145116 is 611541822.

It is an interprime number because it is at equal distance from previous prime (228145111) and next prime (228145121).

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228145111) 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 3 ways as a sum of consecutive naturals, for example, 9506035 + ... + 9506058.

Almost surely, 2^228145116 is an apocalyptic number.

It is an amenable number.

228145116 is an abundant number, since it is smaller than the sum of its proper divisors (304193516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228145116 is a wasteful number, since it uses less digits than its factorization.

228145116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19012100 (or 19012098 counting only the distinct ones).

The product of its digits is 3840, while the sum is 30.

The square root of 228145116 is about 15104.4733771158. The cubic root of 228145116 is about 611.0410566332.

Adding to 228145116 its reverse (611541822), we get a palindrome (839686938).

The spelling of 228145116 in words is "two hundred twenty-eight million, one hundred forty-five thousand, one hundred sixteen".