305243064 has 48 divisors (see below), whose sum is σ = 944801520. Its totient is φ = 87212160.

The previous prime is 305243063. The next prime is 305243087. The reversal of 305243064 is 460342503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305243063) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 302317 + ... + 303324.

It is an arithmetic number, because the mean of its divisors is an integer number (19683365).

Almost surely, 2^305243064 is an apocalyptic number.

It is an amenable number.

305243064 is an abundant number, since it is smaller than the sum of its proper divisors (639558456).

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

305243064 is a wasteful number, since it uses less digits than its factorization.

305243064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605660 (or 605653 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 305243064 is about 17471.2067127603. The cubic root of 305243064 is about 673.3103154131.

Adding to 305243064 its reverse (460342503), we get a palindrome (765585567).

The spelling of 305243064 in words is "three hundred five million, two hundred forty-three thousand, sixty-four".