165144326 has 8 divisors (see below), whose sum is σ = 249100920. Its totient is φ = 82110688.

The previous prime is 165144319. The next prime is 165144349. The reversal of 165144326 is 623441561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 165144292 and 165144301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230291 + ... + 231006.

It is an arithmetic number, because the mean of its divisors is an integer number (31137615).

Almost surely, 2^165144326 is an apocalyptic number.

165144326 is a deficient number, since it is larger than the sum of its proper divisors (83956594).

165144326 is a wasteful number, since it uses less digits than its factorization.

165144326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461478.

The product of its digits is 17280, while the sum is 32.

The square root of 165144326 is about 12850.8492326383. The cubic root of 165144326 is about 548.6405278690.

Adding to 165144326 its reverse (623441561), we get a palindrome (788585887).

The spelling of 165144326 in words is "one hundred sixty-five million, one hundred forty-four thousand, three hundred twenty-six".