154555422 has 16 divisors (see below), whose sum is σ = 353269632. Its totient is φ = 44158680.

The previous prime is 154555421. The next prime is 154555439. The reversal of 154555422 is 224555451.

154555422 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154555421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1839904 + ... + 1839987.

It is an arithmetic number, because the mean of its divisors is an integer number (22079352).

Almost surely, 2^154555422 is an apocalyptic number.

154555422 is an abundant number, since it is smaller than the sum of its proper divisors (198714210).

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

154555422 is a wasteful number, since it uses less digits than its factorization.

154555422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3679903.

The product of its digits is 40000, while the sum is 33.

The square root of 154555422 is about 12432.0320945532. The cubic root of 154555422 is about 536.6544666714.

The spelling of 154555422 in words is "one hundred fifty-four million, five hundred fifty-five thousand, four hundred twenty-two".