158339563 has 4 divisors (see below), whose sum is σ = 159819480. Its totient is φ = 156859648.

The previous prime is 158339557. The next prime is 158339579. The reversal of 158339563 is 365933851.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 365933851 = 12437 ⋅29423.

It is a cyclic number.

It is not a de Polignac number, because 158339563 - 2²⁵ = 124785131 is a prime.

It is a super-2 number, since 2×158339563² = 50142834422061938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (158339593) 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, 739798 + ... + 740011.

It is an arithmetic number, because the mean of its divisors is an integer number (39954870).

Almost surely, 2^158339563 is an apocalyptic number.

158339563 is a deficient number, since it is larger than the sum of its proper divisors (1479917).

158339563 is a wasteful number, since it uses less digits than its factorization.

158339563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479916.

The product of its digits is 291600, while the sum is 43.

The square root of 158339563 is about 12583.3049315353. The cubic root of 158339563 is about 540.9990228251. Note that the first 3 decimals are identical.

The spelling of 158339563 in words is "one hundred fifty-eight million, three hundred thirty-nine thousand, five hundred sixty-three".