162143232 has 88 divisors (see below), whose sum is σ = 441758976. Its totient is φ = 52850688.

The previous prime is 162143227. The next prime is 162143243. The reversal of 162143232 is 232341261.

It is a Harshad number since it is a multiple of its sum of digits (24).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143823 + ... + 144945.

Almost surely, 2^162143232 is an apocalyptic number.

162143232 is a gapful number since it is divisible by the number (12) 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 162143232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220879488).

162143232 is an abundant number, since it is smaller than the sum of its proper divisors (279615744).

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

162143232 is a wasteful number, since it uses less digits than its factorization.

162143232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193 (or 1175 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 162143232 is about 12733.5475025619. The cubic root of 162143232 is about 545.2967909044.

Adding to 162143232 its reverse (232341261), we get a palindrome (394484493).

The spelling of 162143232 in words is "one hundred sixty-two million, one hundred forty-three thousand, two hundred thirty-two".