305112242 has 16 divisors (see below), whose sum is σ = 470225952. Its totient is φ = 148392480.

The previous prime is 305112229. The next prime is 305112251. The reversal of 305112242 is 242211503.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23093 + ... + 33815.

It is an arithmetic number, because the mean of its divisors is an integer number (29389122).

Almost surely, 2^305112242 is an apocalyptic number.

305112242 is a deficient number, since it is larger than the sum of its proper divisors (165113710).

305112242 is a wasteful number, since it uses less digits than its factorization.

305112242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11113.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 305112242 is about 17467.4623800940. The cubic root of 305112242 is about 673.2141118743.

Adding to 305112242 its reverse (242211503), we get a palindrome (547323745).

The spelling of 305112242 in words is "three hundred five million, one hundred twelve thousand, two hundred forty-two".