158420179 has 2 divisors, whose sum is σ = 158420180. Its totient is φ = 158420178.

The previous prime is 158420177. The next prime is 158420183. The reversal of 158420179 is 971024851.

158420179 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (971024851) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 158420179 - 2¹ = 158420177 is a prime.

It is a super-2 number, since 2×158420179² = 50193906228784082, which contains 22 as substring.

Together with 158420177, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (158420177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79210089 + 79210090.

It is an arithmetic number, because the mean of its divisors is an integer number (79210090).

Almost surely, 2^158420179 is an apocalyptic number.

158420179 is a deficient number, since it is larger than the sum of its proper divisors (1).

158420179 is an equidigital number, since it uses as much as digits as its factorization.

158420179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 158420179 is about 12586.5078159114. The cubic root of 158420179 is about 541.0908208505.

The spelling of 158420179 in words is "one hundred fifty-eight million, four hundred twenty thousand, one hundred seventy-nine".