300320149 has 2 divisors, whose sum is σ = 300320150. Its totient is φ = 300320148.

The previous prime is 300320123. The next prime is 300320161. The reversal of 300320149 is 941023003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 159138225 + 141181924 = 12615^2 + 11882^2 .

It is a cyclic number.

It is not a de Polignac number, because 300320149 - 2⁵ = 300320117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (300360149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150160074 + 150160075.

It is an arithmetic number, because the mean of its divisors is an integer number (150160075).

Almost surely, 2^300320149 is an apocalyptic number.

It is an amenable number.

300320149 is a deficient number, since it is larger than the sum of its proper divisors (1).

300320149 is an equidigital number, since it uses as much as digits as its factorization.

300320149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 300320149 is about 17329.7475169144. The cubic root of 300320149 is about 669.6709968568.

The spelling of 300320149 in words is "three hundred million, three hundred twenty thousand, one hundred forty-nine".