154136354456556 has 36 divisors (see below), whose sum is σ = 389679157517104. Its totient is φ = 51371307108000.

The previous prime is 154136354456537. The next prime is 154136354456569. The reversal of 154136354456556 is 655654453631451.

It is a happy number.

154136354456556 is a `hidden beast` number, since 1 + 5 + 4 + 1 + 3 + 6 + 35 + 4 + 45 + 6 + 556 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×154136354456556² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 154136354456493 and 154136354456502.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 311320495 + ... + 311815206.

Almost surely, 2^{154136354456556} is an apocalyptic number.

It is an amenable number.

154136354456556 is an abundant number, since it is smaller than the sum of its proper divisors (235542803060548).

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

154136354456556 is a wasteful number, since it uses less digits than its factorization.

154136354456556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623142582 (or 623142577 counting only the distinct ones).

The product of its digits is 388800000, while the sum is 63.

The spelling of 154136354456556 in words is "one hundred fifty-four trillion, one hundred thirty-six billion, three hundred fifty-four million, four hundred fifty-six thousand, five hundred fifty-six".