155242335405422 has 16 divisors (see below), whose sum is σ = 232990554310800. Its totient is φ = 77578828850880.

The previous prime is 155242335405379. The next prime is 155242335405461. The reversal of 155242335405422 is 224504533242551.

It is a congruent number.

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, 24034604 + ... + 29801792.

It is an arithmetic number, because the mean of its divisors is an integer number (14561909644425).

Almost surely, 2^{155242335405422} is an apocalyptic number.

155242335405422 is a deficient number, since it is larger than the sum of its proper divisors (77748218905378).

155242335405422 is a wasteful number, since it uses less digits than its factorization.

155242335405422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5774531.

The product of its (nonzero) digits is 5760000, while the sum is 47.

Adding to 155242335405422 its reverse (224504533242551), we get a palindrome (379746868647973).

The spelling of 155242335405422 in words is "one hundred fifty-five trillion, two hundred forty-two billion, three hundred thirty-five million, four hundred five thousand, four hundred twenty-two".