158034197 has 2 divisors, whose sum is σ = 158034198. Its totient is φ = 158034196.

The previous prime is 158034179. The next prime is 158034199. The reversal of 158034197 is 791430851.

158034197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (158034179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146918641 + 11115556 = 12121^2 + 3334^2 .

It is a cyclic number.

It is not a de Polignac number, because 158034197 - 2⁶ = 158034133 is a prime.

Together with 158034199, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 158034197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158034199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79017098 + 79017099.

It is an arithmetic number, because the mean of its divisors is an integer number (79017099).

Almost surely, 2^158034197 is an apocalyptic number.

It is an amenable number.

158034197 is a deficient number, since it is larger than the sum of its proper divisors (1).

158034197 is an equidigital number, since it uses as much as digits as its factorization.

158034197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 158034197 is about 12571.1653000030. The cubic root of 158034197 is about 540.6510175234.

The spelling of 158034197 in words is "one hundred fifty-eight million, thirty-four thousand, one hundred ninety-seven".