158276971 has 2 divisors, whose sum is σ = 158276972. Its totient is φ = 158276970.

The previous prime is 158276959. The next prime is 158277019. The reversal of 158276971 is 179672851.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 158276971 - 2⁵ = 158276939 is a prime.

It is not a weakly prime, because it can be changed into another prime (158276941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79138485 + 79138486.

It is an arithmetic number, because the mean of its divisors is an integer number (79138486).

Almost surely, 2^158276971 is an apocalyptic number.

158276971 is a deficient number, since it is larger than the sum of its proper divisors (1).

158276971 is an equidigital number, since it uses as much as digits as its factorization.

158276971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 46.

The square root of 158276971 is about 12580.8175807457. The cubic root of 158276971 is about 540.9277273697.

The spelling of 158276971 in words is "one hundred fifty-eight million, two hundred seventy-six thousand, nine hundred seventy-one".