155353642422 has 32 divisors (see below), whose sum is σ = 341112363264. Its totient is φ = 46777005600.

The previous prime is 155353642421. The next prime is 155353642447. The reversal of 155353642422 is 224246353551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155353642421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7485954 + ... + 7506677.

It is an arithmetic number, because the mean of its divisors is an integer number (10659761352).

Almost surely, 2^155353642422 is an apocalyptic number.

155353642422 is an abundant number, since it is smaller than the sum of its proper divisors (185758720842).

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

155353642422 is a wasteful number, since it uses less digits than its factorization.

155353642422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14992804.

The product of its digits is 864000, while the sum is 42.

Adding to 155353642422 its reverse (224246353551), we get a palindrome (379599995973).

The spelling of 155353642422 in words is "one hundred fifty-five billion, three hundred fifty-three million, six hundred forty-two thousand, four hundred twenty-two".