154055112242 has 16 divisors (see below), whose sum is σ = 250643470392. Its totient is φ = 70728314880.

The previous prime is 154055112217. The next prime is 154055112269. The reversal of 154055112242 is 242211550451.

It can be written as a sum of positive squares in 4 ways, for example, as 147731840881 + 6323271361 = 384359^2 + 79519^2 .

It is a junction number, because it is equal to n+sod(n) for n = 154055112199 and 154055112208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55255103 + ... + 55257890.

Almost surely, 2^154055112242 is an apocalyptic number.

154055112242 is a deficient number, since it is larger than the sum of its proper divisors (96588358150).

154055112242 is a wasteful number, since it uses less digits than its factorization.

154055112242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110513053.

The product of its (nonzero) digits is 16000, while the sum is 32.

Adding to 154055112242 its reverse (242211550451), we get a palindrome (396266662693).

The spelling of 154055112242 in words is "one hundred fifty-four billion, fifty-five million, one hundred twelve thousand, two hundred forty-two".