158420608 has 16 divisors (see below), whose sum is σ = 315603810. Its totient is φ = 79210240.

The previous prime is 158420579. The next prime is 158420609. The reversal of 158420608 is 806024851.

158420608 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 140375104 + 18045504 = 11848^2 + 4248^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (158420609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 618703 + ... + 618958.

Almost surely, 2^158420608 is an apocalyptic number.

It is an amenable number.

158420608 is a deficient number, since it is larger than the sum of its proper divisors (157183202).

158420608 is an equidigital number, since it uses as much as digits as its factorization.

158420608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237675 (or 1237663 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 158420608 is about 12586.5248579582. The cubic root of 158420608 is about 541.0913092726.

The spelling of 158420608 in words is "one hundred fifty-eight million, four hundred twenty thousand, six hundred eight".