155150021024 has 48 divisors (see below), whose sum is σ = 318806736192. Its totient is φ = 74184811008.

The previous prime is 155150020999. The next prime is 155150021029. The reversal of 155150021024 is 420120051551.

155150021024 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 155150020984 and 155150021002.

It is not an unprimeable number, because it can be changed into a prime (155150021029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3453812 + ... + 3498444.

It is an arithmetic number, because the mean of its divisors is an integer number (6641807004).

Almost surely, 2^155150021024 is an apocalyptic number.

It is an amenable number.

155150021024 is an abundant number, since it is smaller than the sum of its proper divisors (163656715168).

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

155150021024 is a wasteful number, since it uses less digits than its factorization.

155150021024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49389 (or 49381 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 26.

Adding to 155150021024 its reverse (420120051551), we get a palindrome (575270072575).

The spelling of 155150021024 in words is "one hundred fifty-five billion, one hundred fifty million, twenty-one thousand, twenty-four".