155109945582 has 48 divisors (see below), whose sum is σ = 355874744160. Its totient is φ = 48657255936.

The previous prime is 155109945581. The next prime is 155109945629. The reversal of 155109945582 is 285549901551.

155109945582 is a `hidden beast` number, since 1 + 5 + 5 + 10 + 9 + 9 + 45 + 582 = 666.

155109945582 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155109945581) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 4563583 + ... + 4597445.

It is an arithmetic number, because the mean of its divisors is an integer number (7414057170).

Almost surely, 2^155109945582 is an apocalyptic number.

155109945582 is an abundant number, since it is smaller than the sum of its proper divisors (200764798578).

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

155109945582 is a wasteful number, since it uses less digits than its factorization.

155109945582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48857 (or 48854 counting only the distinct ones).

The product of its (nonzero) digits is 3240000, while the sum is 54.

The spelling of 155109945582 in words is "one hundred fifty-five billion, one hundred nine million, nine hundred forty-five thousand, five hundred eighty-two".