202899149 has 2 divisors, whose sum is σ = 202899150. Its totient is φ = 202899148.

The previous prime is 202899143. The next prime is 202899161. The reversal of 202899149 is 941998202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 202863049 + 36100 = 14243^2 + 190^2 .

It is a cyclic number.

It is not a de Polignac number, because 202899149 - 2⁴ = 202899133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202899143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101449574 + 101449575.

It is an arithmetic number, because the mean of its divisors is an integer number (101449575).

Almost surely, 2^202899149 is an apocalyptic number.

It is an amenable number.

202899149 is a deficient number, since it is larger than the sum of its proper divisors (1).

202899149 is an equidigital number, since it uses as much as digits as its factorization.

202899149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 202899149 is about 14244.2672328204. The cubic root of 202899149 is about 587.6157239366.

The spelling of 202899149 in words is "two hundred two million, eight hundred ninety-nine thousand, one hundred forty-nine".