155442045122 has 16 divisors (see below), whose sum is σ = 286969929792. Its totient is φ = 61493556240.

The previous prime is 155442045103. The next prime is 155442045173. The reversal of 155442045122 is 221540244551.

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, 427038404 + ... + 427038767.

It is an arithmetic number, because the mean of its divisors is an integer number (17935620612).

Almost surely, 2^155442045122 is an apocalyptic number.

155442045122 is a deficient number, since it is larger than the sum of its proper divisors (131527884670).

155442045122 is a wasteful number, since it uses less digits than its factorization.

155442045122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854077193.

The product of its (nonzero) digits is 64000, while the sum is 35.

Adding to 155442045122 its reverse (221540244551), we get a palindrome (376982289673).

The spelling of 155442045122 in words is "one hundred fifty-five billion, four hundred forty-two million, forty-five thousand, one hundred twenty-two".