158808842 has 4 divisors (see below), whose sum is σ = 238213266. Its totient is φ = 79404420.

The previous prime is 158808833. The next prime is 158808851. The reversal of 158808842 is 248808851.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (158808833) and next prime (158808851).

It can be written as a sum of positive squares in only one way, i.e., 139263601 + 19545241 = 11801^2 + 4421^2 .

It is a junction number, because it is equal to n+sod(n) for n = 158808793 and 158808802.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39702209 + ... + 39702212.

Almost surely, 2^158808842 is an apocalyptic number.

158808842 is a deficient number, since it is larger than the sum of its proper divisors (79404424).

158808842 is an equidigital number, since it uses as much as digits as its factorization.

158808842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79404423.

The product of its (nonzero) digits is 163840, while the sum is 44.

The square root of 158808842 is about 12601.9380255578. The cubic root of 158808842 is about 541.5329577768.

Subtracting 158808842 from its reverse (248808851), we obtain a palindrome (90000009).

The spelling of 158808842 in words is "one hundred fifty-eight million, eight hundred eight thousand, eight hundred forty-two".