545710228 has 12 divisors (see below), whose sum is σ = 1091420512. Its totient is φ = 233875800.

The previous prime is 545710201. The next prime is 545710241. The reversal of 545710228 is 822017545.

It is a happy number.

545710228 is an admirable number.

It is a super-3 number, since 3×545710228³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 545710193 and 545710202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9744798 + ... + 9744853.

Almost surely, 2^545710228 is an apocalyptic number.

It is an amenable number.

545710228 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

545710228 is a wasteful number, since it uses less digits than its factorization.

545710228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19489662 (or 19489660 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 545710228 is about 23360.4415198001. The cubic root of 545710228 is about 817.1855863670.

The spelling of 545710228 in words is "five hundred forty-five million, seven hundred ten thousand, two hundred twenty-eight".