300142289 has 2 divisors, whose sum is σ = 300142290. Its totient is φ = 300142288.

The previous prime is 300142237. The next prime is 300142357. The reversal of 300142289 is 982241003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 275062225 + 25080064 = 16585^2 + 5008^2 .

It is an emirp because it is prime and its reverse (982241003) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 300142289 - 2¹⁶ = 300076753 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (300142189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150071144 + 150071145.

It is an arithmetic number, because the mean of its divisors is an integer number (150071145).

Almost surely, 2^300142289 is an apocalyptic number.

It is an amenable number.

300142289 is a deficient number, since it is larger than the sum of its proper divisors (1).

300142289 is an equidigital number, since it uses as much as digits as its factorization.

300142289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 300142289 is about 17324.6151183800. The cubic root of 300142289 is about 669.5387699595.

The spelling of 300142289 in words is "three hundred million, one hundred forty-two thousand, two hundred eighty-nine".