307420147 has 2 divisors, whose sum is σ = 307420148. Its totient is φ = 307420146.

The previous prime is 307420111. The next prime is 307420159. The reversal of 307420147 is 741024703.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 307420147 - 2²³ = 299031539 is a prime.

It is not a weakly prime, because it can be changed into another prime (307420847) 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, 153710073 + 153710074.

It is an arithmetic number, because the mean of its divisors is an integer number (153710074).

Almost surely, 2^307420147 is an apocalyptic number.

307420147 is a deficient number, since it is larger than the sum of its proper divisors (1).

307420147 is an equidigital number, since it uses as much as digits as its factorization.

307420147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 307420147 is about 17533.4008965745. The cubic root of 307420147 is about 674.9072735908.

The spelling of 307420147 in words is "three hundred seven million, four hundred twenty thousand, one hundred forty-seven".