165443052 has 12 divisors (see below), whose sum is σ = 386033816. Its totient is φ = 55147680.

The previous prime is 165443017. The next prime is 165443053. The reversal of 165443052 is 250344561.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (165443053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6893449 + ... + 6893472.

Almost surely, 2^165443052 is an apocalyptic number.

165443052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

165443052 is an abundant number, since it is smaller than the sum of its proper divisors (220590764).

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

165443052 is a wasteful number, since it uses less digits than its factorization.

165443052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13786928 (or 13786926 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 165443052 is about 12862.4667929601. The cubic root of 165443052 is about 548.9711366009.

The spelling of 165443052 in words is "one hundred sixty-five million, four hundred forty-three thousand, fifty-two".