158242703 has 2 divisors, whose sum is σ = 158242704. Its totient is φ = 158242702.

The previous prime is 158242663. The next prime is 158242727. The reversal of 158242703 is 307242851.

It is a strong prime.

It is an emirp because it is prime and its reverse (307242851) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-158242703 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 158242703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158241703) 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, 79121351 + 79121352.

It is an arithmetic number, because the mean of its divisors is an integer number (79121352).

Almost surely, 2^158242703 is an apocalyptic number.

158242703 is a deficient number, since it is larger than the sum of its proper divisors (1).

158242703 is an equidigital number, since it uses as much as digits as its factorization.

158242703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 158242703 is about 12579.4555923537. The cubic root of 158242703 is about 540.8886864211. Note that the first 3 decimals are identical.

The spelling of 158242703 in words is "one hundred fifty-eight million, two hundred forty-two thousand, seven hundred three".