228145084 has 12 divisors (see below), whose sum is σ = 420267400. Its totient is φ = 108068688.

The previous prime is 228145061. The next prime is 228145091. The reversal of 228145084 is 480541822.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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, 1500879 + ... + 1501030.

Almost surely, 2^228145084 is an apocalyptic number.

It is an amenable number.

228145084 is a deficient number, since it is larger than the sum of its proper divisors (192122316).

228145084 is a wasteful number, since it uses less digits than its factorization.

228145084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3001932 (or 3001930 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 34.

The square root of 228145084 is about 15104.4723178269. The cubic root of 228145084 is about 611.0410280647.

The spelling of 228145084 in words is "two hundred twenty-eight million, one hundred forty-five thousand, eighty-four".