158490257241 has 4 divisors (see below), whose sum is σ = 211320342992. Its totient is φ = 105660171492.

The previous prime is 158490257221. The next prime is 158490257243. The reversal of 158490257241 is 142752094851.

158490257241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 158490257241 - 2⁷ = 158490257113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158490257243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26415042871 + ... + 26415042876.

It is an arithmetic number, because the mean of its divisors is an integer number (52830085748).

Almost surely, 2^158490257241 is an apocalyptic number.

It is an amenable number.

158490257241 is a deficient number, since it is larger than the sum of its proper divisors (52830085751).

158490257241 is an equidigital number, since it uses as much as digits as its factorization.

158490257241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52830085750.

The product of its (nonzero) digits is 806400, while the sum is 48.

The spelling of 158490257241 in words is "one hundred fifty-eight billion, four hundred ninety million, two hundred fifty-seven thousand, two hundred forty-one".