154202554352556 has 18 divisors (see below), whose sum is σ = 389789790169052. Its totient is φ = 51400851450840.

The previous prime is 154202554352521. The next prime is 154202554352563. The reversal of 154202554352556 is 655253455202451.

154202554352556 is a `hidden beast` number, since 1 + 5 + 4 + 2 + 0 + 2 + 5 + 54 + 35 + 2 + 556 = 666.

154202554352556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2141702143750 + ... + 2141702143821.

Almost surely, 2^{154202554352556} is an apocalyptic number.

It is an amenable number.

154202554352556 is an abundant number, since it is smaller than the sum of its proper divisors (235587235816496).

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

154202554352556 is a wasteful number, since it uses less digits than its factorization.

154202554352556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4283404287581 (or 4283404287576 counting only the distinct ones).

The product of its (nonzero) digits is 36000000, while the sum is 54.

The spelling of 154202554352556 in words is "one hundred fifty-four trillion, two hundred two billion, five hundred fifty-four million, three hundred fifty-two thousand, five hundred fifty-six".