158482931 has 2 divisors, whose sum is σ = 158482932. Its totient is φ = 158482930.

The previous prime is 158482913. The next prime is 158482937. The reversal of 158482931 is 139284851.

158482931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (158482913) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (139284851) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 158482931 - 2⁶ = 158482867 is a prime.

It is a super-2 number, since 2×158482931² = 50233678836701522, which contains 22 as substring.

It is equal to p_8894192 and since 158482931 and 8894192 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (158482937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79241465 + 79241466.

It is an arithmetic number, because the mean of its divisors is an integer number (79241466).

Almost surely, 2^158482931 is an apocalyptic number.

158482931 is a deficient number, since it is larger than the sum of its proper divisors (1).

158482931 is an equidigital number, since it uses as much as digits as its factorization.

158482931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 41.

The square root of 158482931 is about 12589.0003971721. Note that the first 3 decimals coincide. The cubic root of 158482931 is about 541.1622554559.

The spelling of 158482931 in words is "one hundred fifty-eight million, four hundred eighty-two thousand, nine hundred thirty-one".