158272258403249 has 2 divisors, whose sum is σ = 158272258403250. Its totient is φ = 158272258403248.

The previous prime is 158272258403243. The next prime is 158272258403261. The reversal of 158272258403249 is 942304852272851.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139484957640625 + 18787300762624 = 11810375^2 + 4334432^2 .

It is a cyclic number.

It is not a de Polignac number, because 158272258403249 - 2²⁴ = 158272241626033 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 158272258403191 and 158272258403200.

It is not a weakly prime, because it can be changed into another prime (158272258403243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79136129201624 + 79136129201625.

It is an arithmetic number, because the mean of its divisors is an integer number (79136129201625).

Almost surely, 2^{158272258403249} is an apocalyptic number.

It is an amenable number.

158272258403249 is a deficient number, since it is larger than the sum of its proper divisors (1).

158272258403249 is an equidigital number, since it uses as much as digits as its factorization.

158272258403249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77414400, while the sum is 62.

The spelling of 158272258403249 in words is "one hundred fifty-eight trillion, two hundred seventy-two billion, two hundred fifty-eight million, four hundred three thousand, two hundred forty-nine".