42304159 has 2 divisors, whose sum is σ = 42304160. Its totient is φ = 42304158.

The previous prime is 42304147. The next prime is 42304189. The reversal of 42304159 is 95140324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42304159 - 2²¹ = 40207007 is a prime.

It is a Chen prime.

It is equal to p_2565055 and since 42304159 and 2565055 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42304189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21152079 + 21152080.

It is an arithmetic number, because the mean of its divisors is an integer number (21152080).

Almost surely, 2^42304159 is an apocalyptic number.

42304159 is a deficient number, since it is larger than the sum of its proper divisors (1).

42304159 is an equidigital number, since it uses as much as digits as its factorization.

42304159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 42304159 is about 6504.1647426860. The cubic root of 42304159 is about 348.4397460854.

The spelling of 42304159 in words is "forty-two million, three hundred four thousand, one hundred fifty-nine".