159042542003 has 4 divisors (see below), whose sum is σ = 159076963968. Its totient is φ = 159008120040.

The previous prime is 159042541969. The next prime is 159042542041. The reversal of 159042542003 is 300245240951.

159042542003 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 159042542003 - 2⁶ = 159042541939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159042542083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17204051 + ... + 17213292.

It is an arithmetic number, because the mean of its divisors is an integer number (39769240992).

Almost surely, 2^159042542003 is an apocalyptic number.

159042542003 is a deficient number, since it is larger than the sum of its proper divisors (34421965).

159042542003 is an equidigital number, since it uses as much as digits as its factorization.

159042542003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34421964.

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 159042542003 its reverse (300245240951), we get a palindrome (459287782954).

The spelling of 159042542003 in words is "one hundred fifty-nine billion, forty-two million, five hundred forty-two thousand, three".