305233042 has 16 divisors (see below), whose sum is σ = 467583192. Its totient is φ = 149385600.

The previous prime is 305233031. The next prime is 305233057. The reversal of 305233042 is 240332503.

It can be written as a sum of positive squares in 4 ways, for example, as 305165961 + 67081 = 17469^2 + 259^2 .

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 7 ways as a sum of consecutive naturals, for example, 45292 + ... + 51592.

Almost surely, 2^305233042 is an apocalyptic number.

305233042 is a deficient number, since it is larger than the sum of its proper divisors (162350150).

305233042 is a wasteful number, since it uses less digits than its factorization.

305233042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6813.

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 305233042 is about 17470.9198956437. The cubic root of 305233042 is about 673.3029464334.

Adding to 305233042 its reverse (240332503), we get a palindrome (545565545).

The spelling of 305233042 in words is "three hundred five million, two hundred thirty-three thousand, forty-two".