144222132 has 24 divisors (see below), whose sum is σ = 343679616. Its totient is φ = 47051008.

The previous prime is 144222131. The next prime is 144222157. The reversal of 144222132 is 231222441.

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

It is a junction number, because it is equal to n+sod(n) for n = 144222099 and 144222108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144222131) 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 7 ways as a sum of consecutive naturals, for example, 127293 + ... + 128420.

It is an arithmetic number, because the mean of its divisors is an integer number (14319984).

Almost surely, 2^144222132 is an apocalyptic number.

144222132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144222132 is an abundant number, since it is smaller than the sum of its proper divisors (199457484).

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

144222132 is a wasteful number, since it uses less digits than its factorization.

144222132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255767 (or 255765 counting only the distinct ones).

The product of its digits is 768, while the sum is 21.

The square root of 144222132 is about 12009.2519334053. The cubic root of 144222132 is about 524.4176545108.

Adding to 144222132 its reverse (231222441), we get a palindrome (375444573).

The spelling of 144222132 in words is "one hundred forty-four million, two hundred twenty-two thousand, one hundred thirty-two".