158028563 has 16 divisors (see below), whose sum is σ = 200745216. Its totient is φ = 120812640.

The previous prime is 158028553. The next prime is 158028581. The reversal of 158028563 is 365820851.

158028563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 158028563 - 2⁸ = 158028307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (158028503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15281 + ... + 23442.

It is an arithmetic number, because the mean of its divisors is an integer number (12546576).

Almost surely, 2^158028563 is an apocalyptic number.

158028563 is a deficient number, since it is larger than the sum of its proper divisors (42716653).

158028563 is a wasteful number, since it uses less digits than its factorization.

158028563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38794.

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 158028563 is about 12570.9412137676. The cubic root of 158028563 is about 540.6445926186.

The spelling of 158028563 in words is "one hundred fifty-eight million, twenty-eight thousand, five hundred sixty-three".