304145087 has 2 divisors, whose sum is σ = 304145088. Its totient is φ = 304145086.

The previous prime is 304145081. The next prime is 304145089. The reversal of 304145087 is 780541403.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 304145087 - 2¹⁰ = 304144063 is a prime.

Together with 304145089, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (304145081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152072543 + 152072544.

It is an arithmetic number, because the mean of its divisors is an integer number (152072544).

Almost surely, 2^304145087 is an apocalyptic number.

304145087 is a deficient number, since it is larger than the sum of its proper divisors (1).

304145087 is an equidigital number, since it uses as much as digits as its factorization.

304145087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 304145087 is about 17439.7559329252. The cubic root of 304145087 is about 672.5020334096.

The spelling of 304145087 in words is "three hundred four million, one hundred forty-five thousand, eighty-seven".