42068159 has 4 divisors (see below), whose sum is σ = 48077904. Its totient is φ = 36058416.

The previous prime is 42068153. The next prime is 42068207. The reversal of 42068159 is 95186024.

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 42068159 - 2¹² = 42064063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42068153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3004862 + ... + 3004875.

It is an arithmetic number, because the mean of its divisors is an integer number (12019476).

Almost surely, 2^42068159 is an apocalyptic number.

42068159 is a deficient number, since it is larger than the sum of its proper divisors (6009745).

42068159 is an equidigital number, since it uses as much as digits as its factorization.

42068159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6009744.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 42068159 is about 6485.9971477021. The cubic root of 42068159 is about 347.7905965947.

The spelling of 42068159 in words is "forty-two million, sixty-eight thousand, one hundred fifty-nine".