158420579 has 2 divisors, whose sum is σ = 158420580. Its totient is φ = 158420578.

The previous prime is 158420473. The next prime is 158420609. The reversal of 158420579 is 975024851.

158420579 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 158420579 - 2¹² = 158416483 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (158420179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79210289 + 79210290.

It is an arithmetic number, because the mean of its divisors is an integer number (79210290).

Almost surely, 2^158420579 is an apocalyptic number.

158420579 is a deficient number, since it is larger than the sum of its proper divisors (1).

158420579 is an equidigital number, since it uses as much as digits as its factorization.

158420579 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100800, while the sum is 41.

The square root of 158420579 is about 12586.5237059325. The cubic root of 158420579 is about 541.0912762558.

The spelling of 158420579 in words is "one hundred fifty-eight million, four hundred twenty thousand, five hundred seventy-nine".