158909341 has 2 divisors, whose sum is σ = 158909342. Its totient is φ = 158909340.

The previous prime is 158909297. The next prime is 158909363. The reversal of 158909341 is 143909851.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129163225 + 29746116 = 11365^2 + 5454^2 .

It is an emirp because it is prime and its reverse (143909851) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 158909341 - 2⁷ = 158909213 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 158909294 and 158909303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158909041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79454670 + 79454671.

It is an arithmetic number, because the mean of its divisors is an integer number (79454671).

Almost surely, 2^158909341 is an apocalyptic number.

It is an amenable number.

158909341 is a deficient number, since it is larger than the sum of its proper divisors (1).

158909341 is an equidigital number, since it uses as much as digits as its factorization.

158909341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 158909341 is about 12605.9248371549. The cubic root of 158909341 is about 541.6471664564.

The spelling of 158909341 in words is "one hundred fifty-eight million, nine hundred nine thousand, three hundred forty-one".