158643059 has 2 divisors, whose sum is σ = 158643060. Its totient is φ = 158643058.

The previous prime is 158643053. The next prime is 158643083. The reversal of 158643059 is 950346851.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-158643059 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (158643053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79321529 + 79321530.

It is an arithmetic number, because the mean of its divisors is an integer number (79321530).

Almost surely, 2^158643059 is an apocalyptic number.

158643059 is a deficient number, since it is larger than the sum of its proper divisors (1).

158643059 is an equidigital number, since it uses as much as digits as its factorization.

158643059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 158643059 is about 12595.3586292729. The cubic root of 158643059 is about 541.3444539647.

The spelling of 158643059 in words is "one hundred fifty-eight million, six hundred forty-three thousand, fifty-nine".