158098849 has 4 divisors (see below), whose sum is σ = 164972736. Its totient is φ = 151224964.

The previous prime is 158098847. The next prime is 158098859. The reversal of 158098849 is 948890851.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 158098849 - 2¹ = 158098847 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 158098796 and 158098805.

It is not an unprimeable number, because it can be changed into a prime (158098847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3436909 + ... + 3436954.

It is an arithmetic number, because the mean of its divisors is an integer number (41243184).

Almost surely, 2^158098849 is an apocalyptic number.

It is an amenable number.

158098849 is a deficient number, since it is larger than the sum of its proper divisors (6873887).

158098849 is an equidigital number, since it uses as much as digits as its factorization.

158098849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6873886.

The product of its (nonzero) digits is 829440, while the sum is 52.

The square root of 158098849 is about 12573.7364772768. The cubic root of 158098849 is about 540.7247344884.

The spelling of 158098849 in words is "one hundred fifty-eight million, ninety-eight thousand, eight hundred forty-nine".