169142341 has 4 divisors (see below), whose sum is σ = 169519500. Its totient is φ = 168765184.

The previous prime is 169142327. The next prime is 169142381. The reversal of 169142341 is 143241961.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 143241961 = 2357 ⋅60773.

It can be written as a sum of positive squares in 2 ways, for example, as 47128225 + 122014116 = 6865^2 + 11046^2 .

It is a cyclic number.

It is not a de Polignac number, because 169142341 - 2⁷ = 169142213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169142381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187906 + ... + 188803.

It is an arithmetic number, because the mean of its divisors is an integer number (42379875).

Almost surely, 2^169142341 is an apocalyptic number.

It is an amenable number.

169142341 is a deficient number, since it is larger than the sum of its proper divisors (377159).

169142341 is an equidigital number, since it uses as much as digits as its factorization.

169142341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377158.

The product of its digits is 5184, while the sum is 31.

The square root of 169142341 is about 13005.4735015685. The cubic root of 169142341 is about 553.0326589805.

The spelling of 169142341 in words is "one hundred sixty-nine million, one hundred forty-two thousand, three hundred forty-one".