159003 has 20 divisors (see below), whose sum is σ = 257488. Its totient is φ = 97200.

The previous prime is 158993. The next prime is 159013. The reversal of 159003 is 300951.

It is an interprime number because it is at equal distance from previous prime (158993) and next prime (159013).

It is not a de Polignac number, because 159003 - 2⁸ = 158747 is a prime.

It is a Duffinian number.

159003 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (159013) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 978 + ... + 1128.

2¹⁵⁹⁰⁰³ is an apocalyptic number.

159003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

159003 is a deficient number, since it is larger than the sum of its proper divisors (98485).

159003 is a wasteful number, since it uses less digits than its factorization.

159003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 135, while the sum is 18.

The square root of 159003 is about 398.7518025038. The cubic root of 159003 is about 54.1753558710.

Adding to 159003 its reverse (300951), we get a palindrome (459954).

The spelling of 159003 in words is "one hundred fifty-nine thousand, three".