162440244 has 18 divisors (see below), whose sum is σ = 410612930. Its totient is φ = 54146736.

The previous prime is 162440233. The next prime is 162440251. The reversal of 162440244 is 442044261.

It is a happy number.

162440244 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 153512100 + 8928144 = 12390^2 + 2988^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 2256079 + ... + 2256150.

Almost surely, 2^162440244 is an apocalyptic number.

It is an amenable number.

162440244 is an abundant number, since it is smaller than the sum of its proper divisors (248172686).

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

162440244 is a wasteful number, since it uses less digits than its factorization.

162440244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4512239 (or 4512234 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 162440244 is about 12745.2047453150. The cubic root of 162440244 is about 545.6295438189.

The spelling of 162440244 in words is "one hundred sixty-two million, four hundred forty thousand, two hundred forty-four".