154155817388 has 12 divisors (see below), whose sum is σ = 270051666192. Its totient is φ = 76998198480.

The previous prime is 154155817351. The next prime is 154155817411. The reversal of 154155817388 is 883718551451.

154155817388 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19923203 + ... + 19930938.

It is an arithmetic number, because the mean of its divisors is an integer number (22504305516).

Almost surely, 2^154155817388 is an apocalyptic number.

It is an amenable number.

154155817388 is a deficient number, since it is larger than the sum of its proper divisors (115895848804).

154155817388 is a wasteful number, since it uses less digits than its factorization.

154155817388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39855112 (or 39855110 counting only the distinct ones).

The product of its digits is 5376000, while the sum is 56.

The spelling of 154155817388 in words is "one hundred fifty-four billion, one hundred fifty-five million, eight hundred seventeen thousand, three hundred eighty-eight".