300142305 has 24 divisors (see below), whose sum is σ = 522902952. Its totient is φ = 159258624.

The previous prime is 300142289. The next prime is 300142357. The reversal of 300142305 is 503241003.

It can be written as a sum of positive squares in 4 ways, for example, as 220700736 + 79441569 = 14856^2 + 8913^2 .

It is not a de Polignac number, because 300142305 - 2⁴ = 300142289 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8064 + ... + 25793.

It is an arithmetic number, because the mean of its divisors is an integer number (21787623).

Almost surely, 2^300142305 is an apocalyptic number.

It is an amenable number.

300142305 is a deficient number, since it is larger than the sum of its proper divisors (222760647).

300142305 is a wasteful number, since it uses less digits than its factorization.

300142305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34065 (or 34062 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 300142305 is about 17324.6155801507. The cubic root of 300142305 is about 669.5387818568.

Adding to 300142305 its reverse (503241003), we get a palindrome (803383308).

The spelling of 300142305 in words is "three hundred million, one hundred forty-two thousand, three hundred five".