300146009 has 2 divisors, whose sum is σ = 300146010. Its totient is φ = 300146008.

The previous prime is 300145991. The next prime is 300146053. The reversal of 300146009 is 900641003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 216825625 + 83320384 = 14725^2 + 9128^2 .

It is an emirp because it is prime and its reverse (900641003) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 300146009 - 2⁸ = 300145753 is a prime.

It is not a weakly prime, because it can be changed into another prime (300146069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150073004 + 150073005.

It is an arithmetic number, because the mean of its divisors is an integer number (150073005).

Almost surely, 2^300146009 is an apocalyptic number.

It is an amenable number.

300146009 is a deficient number, since it is larger than the sum of its proper divisors (1).

300146009 is an equidigital number, since it uses as much as digits as its factorization.

300146009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 300146009 is about 17324.7224797398. The cubic root of 300146009 is about 669.5415360630.

The spelling of 300146009 in words is "three hundred million, one hundred forty-six thousand, nine".