149931854784 has 42 divisors (see below), whose sum is σ = 429752592360. Its totient is φ = 49977284736.

The previous prime is 149931854747. The next prime is 149931854789. The reversal of 149931854784 is 487458139941.

149931854784 is a `hidden beast` number, since 1 + 4 + 9 + 9 + 3 + 1 + 8 + 547 + 84 = 666.

It is a super-2 number, since 2×149931854784² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149931854789) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 130148604 + ... + 130149755.

It is an arithmetic number, because the mean of its divisors is an integer number (10232204580).

Almost surely, 2^149931854784 is an apocalyptic number.

It is an amenable number.

149931854784 is an abundant number, since it is smaller than the sum of its proper divisors (279820737576).

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

149931854784 is a wasteful number, since it uses less digits than its factorization.

149931854784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260298377 (or 260298364 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 63.

The spelling of 149931854784 in words is "one hundred forty-nine billion, nine hundred thirty-one million, eight hundred fifty-four thousand, seven hundred eighty-four".