147228 has 12 divisors (see below), whose sum is σ = 343560. Its totient is φ = 49072.

The previous prime is 147227. The next prime is 147229. The reversal of 147228 is 822741.

It is an interprime number because it is at equal distance from previous prime (147227) and next prime (147229).

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

It is a junction number, because it is equal to n+sod(n) for n = 147198 and 147207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6123 + ... + 6146.

It is an arithmetic number, because the mean of its divisors is an integer number (28630).

2¹⁴⁷²²⁸ is an apocalyptic number.

It is an amenable number.

147228 is an abundant number, since it is smaller than the sum of its proper divisors (196332).

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

147228 is a wasteful number, since it uses less digits than its factorization.

147228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12276 (or 12274 counting only the distinct ones).

The product of its digits is 896, while the sum is 24.

The square root of 147228 is about 383.7030101524. The cubic root of 147228 is about 52.8035925012.

Adding to 147228 its reverse (822741), we get a palindrome (969969).

The spelling of 147228 in words is "one hundred forty-seven thousand, two hundred twenty-eight".