158608057 has 4 divisors (see below), whose sum is σ = 160390260. Its totient is φ = 156825856.

The previous prime is 158608031. The next prime is 158608111. The reversal of 158608057 is 750806851.

158608057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25644096 + 132963961 = 5064^2 + 11531^2 .

It is a cyclic number.

It is not a de Polignac number, because 158608057 - 2¹⁵ = 158575289 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158608007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 890968 + ... + 891145.

It is an arithmetic number, because the mean of its divisors is an integer number (40097565).

Almost surely, 2^158608057 is an apocalyptic number.

It is an amenable number.

158608057 is a deficient number, since it is larger than the sum of its proper divisors (1782203).

158608057 is an equidigital number, since it uses as much as digits as its factorization.

158608057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782202.

The product of its (nonzero) digits is 67200, while the sum is 40.

The square root of 158608057 is about 12593.9690725363. The cubic root of 158608057 is about 541.3046380989.

The spelling of 158608057 in words is "one hundred fifty-eight million, six hundred eight thousand, fifty-seven".