158240983 has 2 divisors, whose sum is σ = 158240984. Its totient is φ = 158240982.

The previous prime is 158240977. The next prime is 158240993. The reversal of 158240983 is 389042851.

It is a weak prime.

It is an emirp because it is prime and its reverse (389042851) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 158240983 - 2¹³ = 158232791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158240923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79120491 + 79120492.

It is an arithmetic number, because the mean of its divisors is an integer number (79120492).

Almost surely, 2^158240983 is an apocalyptic number.

158240983 is a deficient number, since it is larger than the sum of its proper divisors (1).

158240983 is an equidigital number, since it uses as much as digits as its factorization.

158240983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 158240983 is about 12579.3872267293. The cubic root of 158240983 is about 540.8867267059.

The spelling of 158240983 in words is "one hundred fifty-eight million, two hundred forty thousand, nine hundred eighty-three".