146313228 has 12 divisors (see below), whose sum is σ = 341397560. Its totient is φ = 48771072.

The previous prime is 146313221. The next prime is 146313247. The reversal of 146313228 is 822313641.

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 = 146313195 and 146313204.

It is not an unprimeable number, because it can be changed into a prime (146313221) 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, 6096373 + ... + 6096396.

Almost surely, 2^146313228 is an apocalyptic number.

It is an amenable number.

146313228 is an abundant number, since it is smaller than the sum of its proper divisors (195084332).

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

146313228 is a wasteful number, since it uses less digits than its factorization.

146313228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12192776 (or 12192774 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 146313228 is about 12096.0004960317. Note that the first 3 decimals coincide. The cubic root of 146313228 is about 526.9400366491.

Adding to 146313228 its reverse (822313641), we get a palindrome (968626869).

The spelling of 146313228 in words is "one hundred forty-six million, three hundred thirteen thousand, two hundred twenty-eight".