158242663 has 2 divisors, whose sum is σ = 158242664. Its totient is φ = 158242662.

The previous prime is 158242573. The next prime is 158242703. The reversal of 158242663 is 366242851.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 158242663 - 2⁹ = 158242151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158242463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79121331 + 79121332.

It is an arithmetic number, because the mean of its divisors is an integer number (79121332).

Almost surely, 2^158242663 is an apocalyptic number.

158242663 is a deficient number, since it is larger than the sum of its proper divisors (1).

158242663 is an equidigital number, since it uses as much as digits as its factorization.

158242663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 37.

The square root of 158242663 is about 12579.4540024597. The cubic root of 158242663 is about 540.8886408465. Note that the first 3 decimals are identical.

The spelling of 158242663 in words is "one hundred fifty-eight million, two hundred forty-two thousand, six hundred sixty-three".