305230334144 has 28 divisors (see below), whose sum is σ = 626577360000. Its totient is φ = 147352574208.

The previous prime is 305230334137. The next prime is 305230334179. The reversal of 305230334144 is 441433032503.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 305230334144.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82226144 + ... + 82229855.

Almost surely, 2^305230334144 is an apocalyptic number.

It is an amenable number.

305230334144 is an abundant number, since it is smaller than the sum of its proper divisors (321347025856).

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

305230334144 is a wasteful number, since it uses less digits than its factorization.

305230334144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164456040 (or 164456030 counting only the distinct ones).

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

Adding to 305230334144 its reverse (441433032503), we get a palindrome (746663366647).

The spelling of 305230334144 in words is "three hundred five billion, two hundred thirty million, three hundred thirty-four thousand, one hundred forty-four".