158127157 has 2 divisors, whose sum is σ = 158127158. Its totient is φ = 158127156.

The previous prime is 158127133. The next prime is 158127197. The reversal of 158127157 is 751721851.

It is a happy number.

158127157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115799121 + 42328036 = 10761^2 + 6506^2 .

It is an emirp because it is prime and its reverse (751721851) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 158127157 - 2⁷ = 158127029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158127107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79063578 + 79063579.

It is an arithmetic number, because the mean of its divisors is an integer number (79063579).

Almost surely, 2^158127157 is an apocalyptic number.

It is an amenable number.

158127157 is a deficient number, since it is larger than the sum of its proper divisors (1).

158127157 is an equidigital number, since it uses as much as digits as its factorization.

158127157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19600, while the sum is 37.

The square root of 158127157 is about 12574.8621065998. The cubic root of 158127157 is about 540.7570052742.

The spelling of 158127157 in words is "one hundred fifty-eight million, one hundred twenty-seven thousand, one hundred fifty-seven".