300142109 has 2 divisors, whose sum is σ = 300142110. Its totient is φ = 300142108.

The previous prime is 300142097. The next prime is 300142147. The reversal of 300142109 is 901241003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 285103225 + 15038884 = 16885^2 + 3878^2 .

It is a cyclic number.

It is not a de Polignac number, because 300142109 - 2¹⁶ = 300076573 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent 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, 150071054 + 150071055.

It is an arithmetic number, because the mean of its divisors is an integer number (150071055).

Almost surely, 2^300142109 is an apocalyptic number.

It is an amenable number.

300142109 is a deficient number, since it is larger than the sum of its proper divisors (1).

300142109 is an equidigital number, since it uses as much as digits as its factorization.

300142109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 300142109 is about 17324.6099234586. The cubic root of 300142109 is about 669.5386361152.

It can be divided in two parts, 30014 and 2109, that added together give a palindrome (32123).

The spelling of 300142109 in words is "three hundred million, one hundred forty-two thousand, one hundred nine".