165345151 has 8 divisors (see below), whose sum is σ = 167580000. Its totient is φ = 163125600.

The previous prime is 165345143. The next prime is 165345157. The reversal of 165345151 is 151543561.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 165345151 - 2³ = 165345143 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 (165345157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18825 + ... + 26173.

It is an arithmetic number, because the mean of its divisors is an integer number (20947500).

Almost surely, 2^165345151 is an apocalyptic number.

165345151 is a deficient number, since it is larger than the sum of its proper divisors (2234849).

165345151 is a wasteful number, since it uses less digits than its factorization.

165345151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7649.

The product of its digits is 9000, while the sum is 31.

The square root of 165345151 is about 12858.6605445513. The cubic root of 165345151 is about 548.8628305962.

The spelling of 165345151 in words is "one hundred sixty-five million, three hundred forty-five thousand, one hundred fifty-one".