42394159 has 4 divisors (see below), whose sum is σ = 42905016. Its totient is φ = 41883304.

The previous prime is 42394153. The next prime is 42394199. The reversal of 42394159 is 95149324.

42394159 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42394159 - 2¹⁵ = 42361391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42394153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255304 + ... + 255469.

It is an arithmetic number, because the mean of its divisors is an integer number (10726254).

Almost surely, 2^42394159 is an apocalyptic number.

42394159 is a deficient number, since it is larger than the sum of its proper divisors (510857).

42394159 is an equidigital number, since it uses as much as digits as its factorization.

42394159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510856.

The product of its digits is 38880, while the sum is 37.

The square root of 42394159 is about 6511.0797107699. The cubic root of 42394159 is about 348.6866671564.

The spelling of 42394159 in words is "forty-two million, three hundred ninety-four thousand, one hundred fifty-nine".