298290149 has 2 divisors, whose sum is σ = 298290150. Its totient is φ = 298290148.

The previous prime is 298290121. The next prime is 298290169. The reversal of 298290149 is 941092892.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 298252900 + 37249 = 17270^2 + 193^2 .

It is a cyclic number.

It is not a de Polignac number, because 298290149 - 2²⁰ = 297241573 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 (298290169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149145074 + 149145075.

It is an arithmetic number, because the mean of its divisors is an integer number (149145075).

Almost surely, 2^298290149 is an apocalyptic number.

It is an amenable number.

298290149 is a deficient number, since it is larger than the sum of its proper divisors (1).

298290149 is an equidigital number, since it uses as much as digits as its factorization.

298290149 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 298290149 is about 17271.0783971355. The cubic root of 298290149 is about 668.1587143936.

The spelling of 298290149 in words is "two hundred ninety-eight million, two hundred ninety thousand, one hundred forty-nine".