154228 has 6 divisors (see below), whose sum is σ = 269906. Its totient is φ = 77112.

The previous prime is 154213. The next prime is 154229. The reversal of 154228 is 822451.

154228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 121104 + 33124 = 348^2 + 182^2 .

It is a junction number, because it is equal to n+sod(n) for n = 154199 and 154208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19275 + ... + 19282.

2¹⁵⁴²²⁸ is an apocalyptic number.

It is an amenable number.

154228 is a deficient number, since it is larger than the sum of its proper divisors (115678).

154228 is a wasteful number, since it uses less digits than its factorization.

154228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38561 (or 38559 counting only the distinct ones).

The product of its digits is 640, while the sum is 22.

The square root of 154228 is about 392.7187288633. The cubic root of 154228 is about 53.6275235490.

Adding to 154228 its reverse (822451), we get a palindrome (976679).

The spelling of 154228 in words is "one hundred fifty-four thousand, two hundred twenty-eight".