155222342353050 has 192 divisors, whose sum is σ = 463491634636800. Its totient is φ = 33583590316800.

The previous prime is 155222342353037. The next prime is 155222342353061. The reversal of 155222342353050 is 50353243222551.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 155222342352993 and 155222342353011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 20266891 + ... + 26855009.

It is an arithmetic number, because the mean of its divisors is an integer number (2414018930400).

Almost surely, 2^{155222342353050} is an apocalyptic number.

155222342353050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 155222342353050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231745817318400).

155222342353050 is an abundant number, since it is smaller than the sum of its proper divisors (308269292283750).

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

155222342353050 is a wasteful number, since it uses less digits than its factorization.

155222342353050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6589341 (or 6589336 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 42.

The spelling of 155222342353050 in words is "one hundred fifty-five trillion, two hundred twenty-two billion, three hundred forty-two million, three hundred fifty-three thousand, fifty".