158148241 has 4 divisors (see below), whose sum is σ = 158197300. Its totient is φ = 158099184.

The previous prime is 158148239. The next prime is 158148257. The reversal of 158148241 is 142841851.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 142841851 = 6089 ⋅23459.

It can be written as a sum of positive squares in 2 ways, for example, as 16443025 + 141705216 = 4055^2 + 11904^2 .

It is a cyclic number.

It is not a de Polignac number, because 158148241 - 2¹ = 158148239 is a prime.

It is a super-2 number, since 2×158148241² = 50021732262788162, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 158148197 and 158148206.

It is not an unprimeable number, because it can be changed into a prime (158148541) 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, 19326 + ... + 26263.

It is an arithmetic number, because the mean of its divisors is an integer number (39549325).

Almost surely, 2^158148241 is an apocalyptic number.

It is an amenable number.

158148241 is a deficient number, since it is larger than the sum of its proper divisors (49059).

158148241 is an equidigital number, since it uses as much as digits as its factorization.

158148241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49058.

The product of its digits is 10240, while the sum is 34.

The square root of 158148241 is about 12575.7004178694. The cubic root of 158148241 is about 540.7810382829.

The spelling of 158148241 in words is "one hundred fifty-eight million, one hundred forty-eight thousand, two hundred forty-one".