158785255 has 8 divisors (see below), whose sum is σ = 196689024. Its totient is φ = 122930400.

The previous prime is 158785229. The next prime is 158785259. The reversal of 158785255 is 552587851.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 158785255 - 2⁷ = 158785127 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 (158785259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 512056 + ... + 512365.

It is an arithmetic number, because the mean of its divisors is an integer number (24586128).

Almost surely, 2^158785255 is an apocalyptic number.

158785255 is a deficient number, since it is larger than the sum of its proper divisors (37903769).

158785255 is a wasteful number, since it uses less digits than its factorization.

158785255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024457.

The product of its digits is 560000, while the sum is 46.

The square root of 158785255 is about 12601.0021426869. The cubic root of 158785255 is about 541.5061461498.

The spelling of 158785255 in words is "one hundred fifty-eight million, seven hundred eighty-five thousand, two hundred fifty-five".