154396628154 has 24 divisors (see below), whose sum is σ = 343567273140. Its totient is φ = 50074581888.

The previous prime is 154396628129. The next prime is 154396628159. The reversal of 154396628154 is 451826693451.

154396628154 is a `hidden beast` number, since 1 + 5 + 4 + 3 + 9 + 6 + 628 + 1 + 5 + 4 = 666.

154396628154 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 2 ways, for example, as 110559575025 + 43837053129 = 332505^2 + 209373^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 154396628154.

It is not an unprimeable number, because it can be changed into a prime (154396628159) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 115912719 + ... + 115914050.

Almost surely, 2^154396628154 is an apocalyptic number.

154396628154 is an abundant number, since it is smaller than the sum of its proper divisors (189170644986).

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

154396628154 is a wasteful number, since it uses less digits than its factorization.

154396628154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231826814 (or 231826811 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 54.

The spelling of 154396628154 in words is "one hundred fifty-four billion, three hundred ninety-six million, six hundred twenty-eight thousand, one hundred fifty-four".