158543963 has 2 divisors, whose sum is σ = 158543964. Its totient is φ = 158543962.

The previous prime is 158543911. The next prime is 158543971. The reversal of 158543963 is 369345851.

158543963 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 158543963 - 2¹⁰ = 158542939 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (158543993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79271981 + 79271982.

It is an arithmetic number, because the mean of its divisors is an integer number (79271982).

Almost surely, 2^158543963 is an apocalyptic number.

158543963 is a deficient number, since it is larger than the sum of its proper divisors (1).

158543963 is an equidigital number, since it uses as much as digits as its factorization.

158543963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 388800, while the sum is 44.

The square root of 158543963 is about 12591.4241847378. The cubic root of 158543963 is about 541.2317139895.

The spelling of 158543963 in words is "one hundred fifty-eight million, five hundred forty-three thousand, nine hundred sixty-three".