162443844 has 144 divisors (see below), whose sum is σ = 458465280. Its totient is φ = 48288960.

The previous prime is 162443843. The next prime is 162443851. The reversal of 162443844 is 448344261.

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 = 162443799 and 162443808.

It is not an unprimeable number, because it can be changed into a prime (162443843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 996507 + ... + 996669.

Almost surely, 2^162443844 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 162443844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229232640).

162443844 is an abundant number, since it is smaller than the sum of its proper divisors (296021436).

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

162443844 is a wasteful number, since it uses less digits than its factorization.

162443844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270 (or 265 counting only the distinct ones).

The product of its digits is 73728, while the sum is 36.

The square root of 162443844 is about 12745.3459741193. The cubic root of 162443844 is about 545.6335745357.

The spelling of 162443844 in words is "one hundred sixty-two million, four hundred forty-three thousand, eight hundred forty-four".