158316203 has 2 divisors, whose sum is σ = 158316204. Its totient is φ = 158316202.

The previous prime is 158316161. The next prime is 158316209. The reversal of 158316203 is 302613851.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 158316203 - 2¹⁸ = 158054059 is a prime.

It is a super-3 number, since 3×158316203³ (a number of 26 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (158316209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79158101 + 79158102.

It is an arithmetic number, because the mean of its divisors is an integer number (79158102).

Almost surely, 2^158316203 is an apocalyptic number.

158316203 is a deficient number, since it is larger than the sum of its proper divisors (1).

158316203 is an equidigital number, since it uses as much as digits as its factorization.

158316203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 158316203 is about 12582.3766832821. The cubic root of 158316203 is about 540.9724168010.

The spelling of 158316203 in words is "one hundred fifty-eight million, three hundred sixteen thousand, two hundred three".