158633243 has 2 divisors, whose sum is σ = 158633244. Its totient is φ = 158633242.

The previous prime is 158633213. The next prime is 158633249. The reversal of 158633243 is 342336851.

158633243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 158633243 - 2⁶ = 158633179 is a prime.

It is not a weakly prime, because it can be changed into another prime (158633249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79316621 + 79316622.

It is an arithmetic number, because the mean of its divisors is an integer number (79316622).

Almost surely, 2^158633243 is an apocalyptic number.

158633243 is a deficient number, since it is larger than the sum of its proper divisors (1).

158633243 is an equidigital number, since it uses as much as digits as its factorization.

158633243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 35.

The square root of 158633243 is about 12594.9689558966. The cubic root of 158633243 is about 541.3332885498. Note that the first 3 decimals are identical.

The spelling of 158633243 in words is "one hundred fifty-eight million, six hundred thirty-three thousand, two hundred forty-three".