154042252342 has 32 divisors (see below), whose sum is σ = 253028046240. Its totient is φ = 69753358080.

The previous prime is 154042252327. The next prime is 154042252361. The reversal of 154042252342 is 243252240451.

It is a junction number, because it is equal to n+sod(n) for n = 154042252298 and 154042252307.

It is a congruent number.

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, 6224938 + ... + 6249634.

It is an arithmetic number, because the mean of its divisors is an integer number (7907126445).

Almost surely, 2^154042252342 is an apocalyptic number.

154042252342 is a deficient number, since it is larger than the sum of its proper divisors (98985793898).

154042252342 is a wasteful number, since it uses less digits than its factorization.

154042252342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25776.

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 154042252342 its reverse (243252240451), we get a palindrome (397294492793).

The spelling of 154042252342 in words is "one hundred fifty-four billion, forty-two million, two hundred fifty-two thousand, three hundred forty-two".