305143114 has 16 divisors (see below), whose sum is σ = 463068936. Its totient is φ = 150796800.

The previous prime is 305143099. The next prime is 305143117. The reversal of 305143114 is 411341503.

It can be written as a sum of positive squares in 4 ways, for example, as 281669089 + 23474025 = 16783^2 + 4845^2 .

It is a super-2 number, since 2×305143114² = 186224640043233992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (305143117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63724 + ... + 68344.

Almost surely, 2^305143114 is an apocalyptic number.

305143114 is a deficient number, since it is larger than the sum of its proper divisors (157925822).

305143114 is a wasteful number, since it uses less digits than its factorization.

305143114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5001.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 305143114 is about 17468.3460579415. The cubic root of 305143114 is about 673.2368169232.

Adding to 305143114 its reverse (411341503), we get a palindrome (716484617).

The spelling of 305143114 in words is "three hundred five million, one hundred forty-three thousand, one hundred fourteen".