157845469530169 has 2 divisors, whose sum is σ = 157845469530170. Its totient is φ = 157845469530168.

The previous prime is 157845469530019. The next prime is 157845469530209. The reversal of 157845469530169 is 961035964548751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104724767854144 + 53120701676025 = 10233512^2 + 7288395^2 .

It is a cyclic number.

It is not a de Polignac number, because 157845469530169 - 2⁴⁷ = 17107981174841 is a prime.

It is a super-2 number, since 2×157845469530169² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (157845469537169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78922734765084 + 78922734765085.

It is an arithmetic number, because the mean of its divisors is an integer number (78922734765085).

Almost surely, 2^{157845469530169} is an apocalyptic number.

It is an amenable number.

157845469530169 is a deficient number, since it is larger than the sum of its proper divisors (1).

157845469530169 is an equidigital number, since it uses as much as digits as its factorization.

157845469530169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 979776000, while the sum is 73.

The spelling of 157845469530169 in words is "one hundred fifty-seven trillion, eight hundred forty-five billion, four hundred sixty-nine million, five hundred thirty thousand, one hundred sixty-nine".