162228144 has 160 divisors (see below), whose sum is σ = 490843584. Its totient is φ = 45711360.

The previous prime is 162228107. The next prime is 162228179. The reversal of 162228144 is 441822261.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 434742 + ... + 435114.

Almost surely, 2^162228144 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 162228144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245421792).

162228144 is an abundant number, since it is smaller than the sum of its proper divisors (328615440).

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

162228144 is a wasteful number, since it uses less digits than its factorization.

162228144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455 (or 449 counting only the distinct ones).

The product of its digits is 6144, while the sum is 30.

The square root of 162228144 is about 12736.8812509185. The cubic root of 162228144 is about 545.3919622339.

The spelling of 162228144 in words is "one hundred sixty-two million, two hundred twenty-eight thousand, one hundred forty-four".