228145032 has 64 divisors (see below), whose sum is σ = 671025600. Its totient is φ = 71573760.

The previous prime is 228145031. The next prime is 228145051. The reversal of 228145032 is 230541822.

228145032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 228144987 and 228145005.

It is not an unprimeable number, because it can be changed into a prime (228145031) 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, 27394 + ... + 34737.

It is an arithmetic number, because the mean of its divisors is an integer number (10484775).

Almost surely, 2^228145032 is an apocalyptic number.

It is an amenable number.

228145032 is an abundant number, since it is smaller than the sum of its proper divisors (442880568).

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

228145032 is a wasteful number, since it uses less digits than its factorization.

228145032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62163 (or 62153 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 228145032 is about 15104.4705964824. The cubic root of 228145032 is about 611.0409816408.

Adding to 228145032 its reverse (230541822), we get a palindrome (458686854).

The spelling of 228145032 in words is "two hundred twenty-eight million, one hundred forty-five thousand, thirty-two".