165452043 has 8 divisors (see below), whose sum is σ = 221519056. Its totient is φ = 109843200.

The previous prime is 165452033. The next prime is 165452099. The reversal of 165452043 is 340254561.

165452043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 165452043 - 2¹³ = 165443851 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 165452043.

It is not an unprimeable number, because it can be changed into a prime (165452033) 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, 113698 + ... + 115143.

It is an arithmetic number, because the mean of its divisors is an integer number (27689882).

Almost surely, 2^165452043 is an apocalyptic number.

165452043 is a deficient number, since it is larger than the sum of its proper divisors (56067013).

165452043 is a wasteful number, since it uses less digits than its factorization.

165452043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229085.

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

The square root of 165452043 is about 12862.8162934872. The cubic root of 165452043 is about 548.9810810299.

The spelling of 165452043 in words is "one hundred sixty-five million, four hundred fifty-two thousand, forty-three".