299145907 has 2 divisors, whose sum is σ = 299145908. Its totient is φ = 299145906.

The previous prime is 299145901. The next prime is 299145971. The reversal of 299145907 is 709541992.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 299145907 - 2⁷ = 299145779 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (299145901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149572953 + 149572954.

It is an arithmetic number, because the mean of its divisors is an integer number (149572954).

Almost surely, 2^299145907 is an apocalyptic number.

299145907 is a deficient number, since it is larger than the sum of its proper divisors (1).

299145907 is an equidigital number, since it uses as much as digits as its factorization.

299145907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204120, while the sum is 46.

The square root of 299145907 is about 17295.8349610535. The cubic root of 299145907 is about 668.7970595818.

The spelling of 299145907 in words is "two hundred ninety-nine million, one hundred forty-five thousand, nine hundred seven".