165245132 has 24 divisors (see below), whose sum is σ = 322165200. Its totient is φ = 73636416.

The previous prime is 165245131. The next prime is 165245167. The reversal of 165245132 is 231542561.

165245132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 165245095 and 165245104.

It is not an unprimeable number, because it can be changed into a prime (165245131) 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, 53282 + ... + 56297.

It is an arithmetic number, because the mean of its divisors is an integer number (13423550).

Almost surely, 2^165245132 is an apocalyptic number.

It is an amenable number.

165245132 is a deficient number, since it is larger than the sum of its proper divisors (156920068).

165245132 is a wasteful number, since it uses less digits than its factorization.

165245132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109625 (or 109623 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 165245132 is about 12854.7707875325. The cubic root of 165245132 is about 548.7521373301.

Adding to 165245132 its reverse (231542561), we get a palindrome (396787693).

The spelling of 165245132 in words is "one hundred sixty-five million, two hundred forty-five thousand, one hundred thirty-two".