154522242304242 has 32 divisors (see below), whose sum is σ = 323735992071552. Its totient is φ = 49076257173504.

The previous prime is 154522242304207. The next prime is 154522242304271. The reversal of 154522242304242 is 242403242225451.

It is a junction number, because it is equal to n+sod(n) for n = 154522242304194 and 154522242304203.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2178420553 + ... + 2178491484.

It is an arithmetic number, because the mean of its divisors is an integer number (10116749752236).

Almost surely, 2^{154522242304242} is an apocalyptic number.

154522242304242 is an abundant number, since it is smaller than the sum of its proper divisors (169213749767310).

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

154522242304242 is a wasteful number, since it uses less digits than its factorization.

154522242304242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4356912322.

The product of its (nonzero) digits is 1228800, while the sum is 42.

Adding to 154522242304242 its reverse (242403242225451), we get a palindrome (396925484529693).

The spelling of 154522242304242 in words is "one hundred fifty-four trillion, five hundred twenty-two billion, two hundred forty-two million, three hundred four thousand, two hundred forty-two".