305304332144 has 30 divisors (see below), whose sum is σ = 688103005464. Its totient is φ = 130844713440.

The previous prime is 305304332117. The next prime is 305304332147. The reversal of 305304332144 is 441233403503.

It is a self number, because there is not a number n which added to its sum of digits gives 305304332144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305304332147) 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 5 ways as a sum of consecutive naturals, for example, 194708612 + ... + 194710179.

Almost surely, 2^305304332144 is an apocalyptic number.

It is an amenable number.

305304332144 is an abundant number, since it is smaller than the sum of its proper divisors (382798673320).

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

305304332144 is a wasteful number, since it uses less digits than its factorization.

305304332144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389418813 (or 389418800 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 305304332144 its reverse (441233403503), we get a palindrome (746537735647).

The spelling of 305304332144 in words is "three hundred five billion, three hundred four million, three hundred thirty-two thousand, one hundred forty-four".