149228 has 6 divisors (see below), whose sum is σ = 261156. Its totient is φ = 74612.

The previous prime is 149213. The next prime is 149239. The reversal of 149228 is 822941.

149228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 149197 and 149206.

It is an unprimeable number.

149228 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18650 + ... + 18657.

It is an arithmetic number, because the mean of its divisors is an integer number (43526).

2¹⁴⁹²²⁸ is an apocalyptic number.

It is an amenable number.

149228 is a deficient number, since it is larger than the sum of its proper divisors (111928).

149228 is a wasteful number, since it uses less digits than its factorization.

149228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37311 (or 37309 counting only the distinct ones).

The product of its digits is 1152, while the sum is 26.

The square root of 149228 is about 386.3004012423. The cubic root of 149228 is about 53.0416191427.

The spelling of 149228 in words is "one hundred forty-nine thousand, two hundred twenty-eight".