158698849 has 12 divisors (see below), whose sum is σ = 170352720. Its totient is φ = 147778200.

The previous prime is 158698847. The next prime is 158698871. The reversal of 158698849 is 948896851.

158698849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 158698849 - 2¹ = 158698847 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 158698793 and 158698802.

It is not an unprimeable number, because it can be changed into a prime (158698843) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17574 + ... + 25024.

It is an arithmetic number, because the mean of its divisors is an integer number (14196060).

Almost surely, 2^158698849 is an apocalyptic number.

158698849 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

158698849 is a deficient number, since it is larger than the sum of its proper divisors (11653871).

158698849 is an equidigital number, since it uses as much as digits as its factorization.

158698849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7548 (or 7529 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 58.

The square root of 158698849 is about 12597.5731392995. The cubic root of 158698849 is about 541.4079047236.

The spelling of 158698849 in words is "one hundred fifty-eight million, six hundred ninety-eight thousand, eight hundred forty-nine".