158272241 has 2 divisors, whose sum is σ = 158272242. Its totient is φ = 158272240.

The previous prime is 158272237. The next prime is 158272297. The reversal of 158272241 is 142272851.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108160000 + 50112241 = 10400^2 + 7079^2 .

It is a cyclic number.

It is not a de Polignac number, because 158272241 - 2² = 158272237 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 158272198 and 158272207.

It is not a weakly prime, because it can be changed into another prime (158272201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79136120 + 79136121.

It is an arithmetic number, because the mean of its divisors is an integer number (79136121).

Almost surely, 2^158272241 is an apocalyptic number.

It is an amenable number.

158272241 is a deficient number, since it is larger than the sum of its proper divisors (1).

158272241 is an equidigital number, since it uses as much as digits as its factorization.

158272241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8960, while the sum is 32.

The square root of 158272241 is about 12580.6295947381. The cubic root of 158272241 is about 540.9223388966.

The spelling of 158272241 in words is "one hundred fifty-eight million, two hundred seventy-two thousand, two hundred forty-one".