157845469530019 has 2 divisors, whose sum is σ = 157845469530020. Its totient is φ = 157845469530018.

The previous prime is 157845469530011. The next prime is 157845469530169. The reversal of 157845469530019 is 910035964548751.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 157845469530019 - 2³ = 157845469530011 is a prime.

It is a super-2 number, since 2×157845469530019² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (157845469530011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78922734765009 + 78922734765010.

It is an arithmetic number, because the mean of its divisors is an integer number (78922734765010).

Almost surely, 2^{157845469530019} is an apocalyptic number.

157845469530019 is a deficient number, since it is larger than the sum of its proper divisors (1).

157845469530019 is an equidigital number, since it uses as much as digits as its factorization.

157845469530019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296000, while the sum is 67.

The spelling of 157845469530019 in words is "one hundred fifty-seven trillion, eight hundred forty-five billion, four hundred sixty-nine million, five hundred thirty thousand, nineteen".