305230442 has 16 divisors (see below), whose sum is σ = 502264800. Its totient is φ = 137964240.

The previous prime is 305230441. The next prime is 305230489. The reversal of 305230442 is 244032503.

It is not an unprimeable number, because it can be changed into a prime (305230441) 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 7 ways as a sum of consecutive naturals, for example, 34817 + ... + 42692.

It is an arithmetic number, because the mean of its divisors is an integer number (31391550).

Almost surely, 2^305230442 is an apocalyptic number.

305230442 is a deficient number, since it is larger than the sum of its proper divisors (197034358).

305230442 is a wasteful number, since it uses less digits than its factorization.

305230442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77701.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 305230442 is about 17470.8454861234. The cubic root of 305230442 is about 673.3010346781.

Adding to 305230442 its reverse (244032503), we get a palindrome (549262945).

The spelling of 305230442 in words is "three hundred five million, two hundred thirty thousand, four hundred forty-two".