165153232 has 20 divisors (see below), whose sum is σ = 338807556. Its totient is φ = 77719040.

The previous prime is 165153223. The next prime is 165153257. The reversal of 165153232 is 232351561.

It can be written as a sum of positive squares in 2 ways, for example, as 54819216 + 110334016 = 7404^2 + 10504^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 165153232.

It is a congruent number.

It is an unprimeable number.

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, 303319 + ... + 303862.

Almost surely, 2^165153232 is an apocalyptic number.

It is an amenable number.

165153232 is an abundant number, since it is smaller than the sum of its proper divisors (173654324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165153232 is a wasteful number, since it uses less digits than its factorization.

165153232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607206 (or 607200 counting only the distinct ones).

The product of its digits is 5400, while the sum is 28.

The square root of 165153232 is about 12851.1957420312. The cubic root of 165153232 is about 548.6503901611.

The spelling of 165153232 in words is "one hundred sixty-five million, one hundred fifty-three thousand, two hundred thirty-two".