165048444 has 72 divisors (see below), whose sum is σ = 481925808. Its totient is φ = 47070720.

The previous prime is 165048439. The next prime is 165048451. The reversal of 165048444 is 444840561.

It is a happy number.

165048444 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×165048444² = 54481977733642272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 165048399 and 165048408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5527 + ... + 18990.

It is an arithmetic number, because the mean of its divisors is an integer number (6693414).

Almost surely, 2^165048444 is an apocalyptic number.

It is an amenable number.

165048444 is an abundant number, since it is smaller than the sum of its proper divisors (316877364).

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

165048444 is a wasteful number, since it uses less digits than its factorization.

165048444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24555 (or 24550 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The square root of 165048444 is about 12847.1181204191. The cubic root of 165048444 is about 548.5343279643.

The spelling of 165048444 in words is "one hundred sixty-five million, forty-eight thousand, four hundred forty-four".