158003 has 2 divisors, whose sum is σ = 158004. Its totient is φ = 158002.

The previous prime is 157999. The next prime is 158009. The reversal of 158003 is 300851.

158003 is nontrivially palindromic in base 11.

158003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (300851) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 158003 - 2² = 157999 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (158009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79001 + 79002.

It is an arithmetic number, because the mean of its divisors is an integer number (79002).

2¹⁵⁸⁰⁰³ is an apocalyptic number.

158003 is a deficient number, since it is larger than the sum of its proper divisors (1).

158003 is an equidigital number, since it uses as much as digits as its factorization.

158003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 158003 is about 397.4959119287. The cubic root of 158003 is about 54.0615439148.

Adding to 158003 its reverse (300851), we get a palindrome (458854).

The spelling of 158003 in words is "one hundred fifty-eight thousand, three".