158073271 has 2 divisors, whose sum is σ = 158073272. Its totient is φ = 158073270.

The previous prime is 158073241. The next prime is 158073299. The reversal of 158073271 is 172370851.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 158073271 - 2⁵ = 158073239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158073211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79036635 + 79036636.

It is an arithmetic number, because the mean of its divisors is an integer number (79036636).

Almost surely, 2^158073271 is an apocalyptic number.

158073271 is a deficient number, since it is larger than the sum of its proper divisors (1).

158073271 is an equidigital number, since it uses as much as digits as its factorization.

158073271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 158073271 is about 12572.7193160430. The cubic root of 158073271 is about 540.6955725573.

The spelling of 158073271 in words is "one hundred fifty-eight million, seventy-three thousand, two hundred seventy-one".