150221055904 has 96 divisors (see below), whose sum is σ = 308892165120. Its totient is φ = 71857158912.

The previous prime is 150221055899. The next prime is 150221055949. The reversal of 150221055904 is 409550122051.

150221055904 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 150221055904.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16497817 + ... + 16506919.

It is an arithmetic number, because the mean of its divisors is an integer number (3217626720).

Almost surely, 2^150221055904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 150221055904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154446082560).

150221055904 is an abundant number, since it is smaller than the sum of its proper divisors (158671109216).

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

150221055904 is a wasteful number, since it uses less digits than its factorization.

150221055904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9402 (or 9394 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 34.

Adding to 150221055904 its reverse (409550122051), we get a palindrome (559771177955).

The spelling of 150221055904 in words is "one hundred fifty billion, two hundred twenty-one million, fifty-five thousand, nine hundred four".