169158143 has 24 divisors (see below), whose sum is σ = 227304144. Its totient is φ = 124051200.

The previous prime is 169158137. The next prime is 169158149. The reversal of 169158143 is 341851961.

It is an interprime number because it is at equal distance from previous prime (169158137) and next prime (169158149).

It is not a de Polignac number, because 169158143 - 2⁶ = 169158079 is a prime.

It is a super-2 number, since 2×169158143² = 57228954686416898, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 169158097 and 169158106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169158149) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68 + ... + 18393.

It is an arithmetic number, because the mean of its divisors is an integer number (9471006).

Almost surely, 2^169158143 is an apocalyptic number.

169158143 is a deficient number, since it is larger than the sum of its proper divisors (58146001).

169158143 is a wasteful number, since it uses less digits than its factorization.

169158143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18503 (or 18496 counting only the distinct ones).

The product of its digits is 25920, while the sum is 38.

The square root of 169158143 is about 13006.0810008242. The cubic root of 169158143 is about 553.0498806686.

The spelling of 169158143 in words is "one hundred sixty-nine million, one hundred fifty-eight thousand, one hundred forty-three".