158334971 has 4 divisors (see below), whose sum is σ = 159343632. Its totient is φ = 157326312.

The previous prime is 158334959. The next prime is 158334977. The reversal of 158334971 is 179433851.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 158334971 - 2¹⁰ = 158333947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158334977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504095 + ... + 504408.

It is an arithmetic number, because the mean of its divisors is an integer number (39835908).

Almost surely, 2^158334971 is an apocalyptic number.

158334971 is a deficient number, since it is larger than the sum of its proper divisors (1008661).

158334971 is a wasteful number, since it uses less digits than its factorization.

158334971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008660.

The product of its digits is 90720, while the sum is 41.

The square root of 158334971 is about 12583.1224662244. The cubic root of 158334971 is about 540.9937929435.

The spelling of 158334971 in words is "one hundred fifty-eight million, three hundred thirty-four thousand, nine hundred seventy-one".