300440145 has 32 divisors (see below), whose sum is σ = 518918400. Its totient is φ = 147977984.

The previous prime is 300440143. The next prime is 300440159. The reversal of 300440145 is 541044003.

It is a cyclic number.

It is not a de Polignac number, because 300440145 - 2¹ = 300440143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (300440143) 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 31 ways as a sum of consecutive naturals, for example, 5010 + ... + 25019.

It is an arithmetic number, because the mean of its divisors is an integer number (16216200).

Almost surely, 2^300440145 is an apocalyptic number.

It is an amenable number.

300440145 is a deficient number, since it is larger than the sum of its proper divisors (218478255).

300440145 is a wasteful number, since it uses less digits than its factorization.

300440145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30089.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 300440145 is about 17333.2093104537. The cubic root of 300440145 is about 669.7601762886.

Adding to 300440145 its reverse (541044003), we get a palindrome (841484148).

The spelling of 300440145 in words is "three hundred million, four hundred forty thousand, one hundred forty-five".