169142459 has 2 divisors, whose sum is σ = 169142460. Its totient is φ = 169142458.

The previous prime is 169142431. The next prime is 169142461. The reversal of 169142459 is 954241961.

169142459 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 169142459 - 2¹² = 169138363 is a prime.

Together with 169142461, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (169142419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84571229 + 84571230.

It is an arithmetic number, because the mean of its divisors is an integer number (84571230).

Almost surely, 2^169142459 is an apocalyptic number.

169142459 is a deficient number, since it is larger than the sum of its proper divisors (1).

169142459 is an equidigital number, since it uses as much as digits as its factorization.

169142459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 41.

The square root of 169142459 is about 13005.4780381192. The cubic root of 169142459 is about 553.0327875858.

The spelling of 169142459 in words is "one hundred sixty-nine million, one hundred forty-two thousand, four hundred fifty-nine".