154042112515050 has 36 divisors (see below), whose sum is σ = 413859808958310. Its totient is φ = 41077896670560.

The previous prime is 154042112515019. The next prime is 154042112515051. The reversal of 154042112515050 is 50515211240451.

154042112515050 is a `hidden beast` number, since 1 + 5 + 4 + 0 + 4 + 21 + 125 + 1 + 505 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 92017840463649 + 62024272051401 = 9592593^2 + 7875549^2 .

It is a junction number, because it is equal to n+sod(n) for n = 154042112514996 and 154042112515014.

It is not an unprimeable number, because it can be changed into a prime (154042112515051) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 171157902345 + ... + 171157903244.

Almost surely, 2^{154042112515050} is an apocalyptic number.

154042112515050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

154042112515050 is an abundant number, since it is smaller than the sum of its proper divisors (259817696443260).

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

154042112515050 is a wasteful number, since it uses less digits than its factorization.

154042112515050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342315805607 (or 342315805599 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 36.

The spelling of 154042112515050 in words is "one hundred fifty-four trillion, forty-two billion, one hundred twelve million, five hundred fifteen thousand, fifty".