158880643 has 2 divisors, whose sum is σ = 158880644. Its totient is φ = 158880642.

The previous prime is 158880607. The next prime is 158880649. The reversal of 158880643 is 346088851.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 158880643 - 2⁹ = 158880131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 158880643.

It is not a weakly prime, because it can be changed into another prime (158880649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79440321 + 79440322.

It is an arithmetic number, because the mean of its divisors is an integer number (79440322).

Almost surely, 2^158880643 is an apocalyptic number.

158880643 is a deficient number, since it is larger than the sum of its proper divisors (1).

158880643 is an equidigital number, since it uses as much as digits as its factorization.

158880643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 184320, while the sum is 43.

The square root of 158880643 is about 12604.7865114805. The cubic root of 158880643 is about 541.6145585008.

The spelling of 158880643 in words is "one hundred fifty-eight million, eight hundred eighty thousand, six hundred forty-three".