202305149 has 2 divisors, whose sum is σ = 202305150. Its totient is φ = 202305148.

The previous prime is 202305137. The next prime is 202305203. The reversal of 202305149 is 941503202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 162741049 + 39564100 = 12757^2 + 6290^2 .

It is a cyclic number.

It is not a de Polignac number, because 202305149 - 2⁴ = 202305133 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202305949) 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, 101152574 + 101152575.

It is an arithmetic number, because the mean of its divisors is an integer number (101152575).

Almost surely, 2^202305149 is an apocalyptic number.

It is an amenable number.

202305149 is a deficient number, since it is larger than the sum of its proper divisors (1).

202305149 is an equidigital number, since it uses as much as digits as its factorization.

202305149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 202305149 is about 14223.4014567543. The cubic root of 202305149 is about 587.0417361326.

The spelling of 202305149 in words is "two hundred two million, three hundred five thousand, one hundred forty-nine".