158047457 has 2 divisors, whose sum is σ = 158047458. Its totient is φ = 158047456.

The previous prime is 158047451. The next prime is 158047469. The reversal of 158047457 is 754740851.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147282496 + 10764961 = 12136^2 + 3281^2 .

It is an emirp because it is prime and its reverse (754740851) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 158047457 - 2⁴ = 158047441 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (158047451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79023728 + 79023729.

It is an arithmetic number, because the mean of its divisors is an integer number (79023729).

Almost surely, 2^158047457 is an apocalyptic number.

It is an amenable number.

158047457 is a deficient number, since it is larger than the sum of its proper divisors (1).

158047457 is an equidigital number, since it uses as much as digits as its factorization.

158047457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 156800, while the sum is 41.

The square root of 158047457 is about 12571.6926863490. The cubic root of 158047457 is about 540.6661383689. Note that the first 3 decimals are identical.

The spelling of 158047457 in words is "one hundred fifty-eight million, forty-seven thousand, four hundred fifty-seven".