158204983 has 4 divisors (see below), whose sum is σ = 158359168. Its totient is φ = 158050800.

The previous prime is 158204953. The next prime is 158204993. The reversal of 158204983 is 389402851.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 389402851 = 7603 ⋅51217.

It is a cyclic number.

It is not a de Polignac number, because 158204983 - 2¹⁷ = 158073911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158204953) 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 in 3 ways as a sum of consecutive naturals, for example, 75543 + ... + 77608.

It is an arithmetic number, because the mean of its divisors is an integer number (39589792).

Almost surely, 2^158204983 is an apocalyptic number.

158204983 is a deficient number, since it is larger than the sum of its proper divisors (154185).

158204983 is a wasteful number, since it uses less digits than its factorization.

158204983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154184.

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

The square root of 158204983 is about 12577.9562330293. The cubic root of 158204983 is about 540.8457061506.

The spelling of 158204983 in words is "one hundred fifty-eight million, two hundred four thousand, nine hundred eighty-three".