158436043 has 2 divisors, whose sum is σ = 158436044. Its totient is φ = 158436042.

The previous prime is 158436011. The next prime is 158436053. The reversal of 158436043 is 340634851.

It is a happy number.

158436043 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 158436043 - 2⁵ = 158436011 is a prime.

It is not a weakly prime, because it can be changed into another prime (158436053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79218021 + 79218022.

It is an arithmetic number, because the mean of its divisors is an integer number (79218022).

Almost surely, 2^158436043 is an apocalyptic number.

158436043 is a deficient number, since it is larger than the sum of its proper divisors (1).

158436043 is an equidigital number, since it uses as much as digits as its factorization.

158436043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 158436043 is about 12587.1379987668. The cubic root of 158436043 is about 541.1088816353.

The spelling of 158436043 in words is "one hundred fifty-eight million, four hundred thirty-six thousand, forty-three".