162445444 has 48 divisors (see below), whose sum is σ = 337671936. Its totient is φ = 66931200.

The previous prime is 162445427. The next prime is 162445447. The reversal of 162445444 is 444544261.

It is not an unprimeable number, because it can be changed into a prime (162445447) 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 15 ways as a sum of consecutive naturals, for example, 80512 + ... + 82504.

It is an arithmetic number, because the mean of its divisors is an integer number (7034832).

Almost surely, 2^162445444 is an apocalyptic number.

162445444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 162445444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168835968).

162445444 is an abundant number, since it is smaller than the sum of its proper divisors (175226492).

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

162445444 is a wasteful number, since it uses less digits than its factorization.

162445444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2116 (or 2114 counting only the distinct ones).

The product of its digits is 61440, while the sum is 34.

The square root of 162445444 is about 12745.4087419745. The cubic root of 162445444 is about 545.6353659462.

The spelling of 162445444 in words is "one hundred sixty-two million, four hundred forty-five thousand, four hundred forty-four".