165245052 has 96 divisors (see below), whose sum is σ = 473536000. Its totient is φ = 44706816.

The previous prime is 165244993. The next prime is 165245081. The reversal of 165245052 is 250542561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77148 + ... + 79260.

Almost surely, 2^165245052 is an apocalyptic number.

165245052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165245052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236768000).

165245052 is an abundant number, since it is smaller than the sum of its proper divisors (308290948).

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

165245052 is a wasteful number, since it uses less digits than its factorization.

165245052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2160 (or 2144 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 165245052 is about 12854.7676758470. The cubic root of 165245052 is about 548.7520487744.

The spelling of 165245052 in words is "one hundred sixty-five million, two hundred forty-five thousand, fifty-two".