154555228 has 24 divisors (see below), whose sum is σ = 287600544. Its totient is φ = 72422400.

The previous prime is 154555217. The next prime is 154555237. The reversal of 154555228 is 822555451.

154555228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11673 + ... + 21103.

It is an arithmetic number, because the mean of its divisors is an integer number (11983356).

Almost surely, 2^154555228 is an apocalyptic number.

It is an amenable number.

154555228 is a deficient number, since it is larger than the sum of its proper divisors (133045316).

154555228 is a wasteful number, since it uses less digits than its factorization.

154555228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9693 (or 9691 counting only the distinct ones).

The product of its digits is 80000, while the sum is 37.

The square root of 154555228 is about 12432.0242921256. The cubic root of 154555228 is about 536.6542421327.

The spelling of 154555228 in words is "one hundred fifty-four million, five hundred fifty-five thousand, two hundred twenty-eight".