165243046 has 4 divisors (see below), whose sum is σ = 247864572. Its totient is φ = 82621522.

The previous prime is 165243037. The next prime is 165243047. The reversal of 165243046 is 640342561.

165243046 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 165242999 and 165243017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165243047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41310760 + ... + 41310763.

It is an arithmetic number, because the mean of its divisors is an integer number (61966143).

Almost surely, 2^165243046 is an apocalyptic number.

165243046 is a deficient number, since it is larger than the sum of its proper divisors (82621526).

165243046 is an equidigital number, since it uses as much as digits as its factorization.

165243046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82621525.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 165243046 is about 12854.6896500849. The cubic root of 165243046 is about 548.7498282318.

The spelling of 165243046 in words is "one hundred sixty-five million, two hundred forty-three thousand, forty-six".