158134405645169 has 2 divisors, whose sum is σ = 158134405645170. Its totient is φ = 158134405645168.

The previous prime is 158134405645033. The next prime is 158134405645267. The reversal of 158134405645169 is 961546504431851.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137155367482225 + 20979038162944 = 11711335^2 + 4580288^2 .

It is a cyclic number.

It is not a de Polignac number, because 158134405645169 - 2⁴⁴ = 140542219600753 is a prime.

It is a super-2 number, since 2×158134405645169² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (158134405695169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79067202822584 + 79067202822585.

It is an arithmetic number, because the mean of its divisors is an integer number (79067202822585).

Almost surely, 2^{158134405645169} is an apocalyptic number.

It is an amenable number.

158134405645169 is a deficient number, since it is larger than the sum of its proper divisors (1).

158134405645169 is an equidigital number, since it uses as much as digits as its factorization.

158134405645169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208000, while the sum is 62.

The spelling of 158134405645169 in words is "one hundred fifty-eight trillion, one hundred thirty-four billion, four hundred five million, six hundred forty-five thousand, one hundred sixty-nine".