158845241 has 2 divisors, whose sum is σ = 158845242. Its totient is φ = 158845240.

The previous prime is 158845217. The next prime is 158845243. The reversal of 158845241 is 142548851.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110334016 + 48511225 = 10504^2 + 6965^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-158845241 is a prime.

Together with 158845243, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 158845195 and 158845204.

It is not a weakly prime, because it can be changed into another prime (158845243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79422620 + 79422621.

It is an arithmetic number, because the mean of its divisors is an integer number (79422621).

Almost surely, 2^158845241 is an apocalyptic number.

It is an amenable number.

158845241 is a deficient number, since it is larger than the sum of its proper divisors (1).

158845241 is an equidigital number, since it uses as much as digits as its factorization.

158845241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51200, while the sum is 38.

The square root of 158845241 is about 12603.3821254455. The cubic root of 158845241 is about 541.5743277495.

The spelling of 158845241 in words is "one hundred fifty-eight million, eight hundred forty-five thousand, two hundred forty-one".