144220132 has 36 divisors (see below), whose sum is σ = 303726780. Its totient is φ = 59674944.

The previous prime is 144220123. The next prime is 144220133. The reversal of 144220132 is 231022441.

144220132 is digitally balanced in base 2, 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 2 ways, for example, as 27709696 + 116510436 = 5264^2 + 10794^2 .

It is not an unprimeable number, because it can be changed into a prime (144220133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7003 + ... + 18370.

It is an arithmetic number, because the mean of its divisors is an integer number (8436855).

Almost surely, 2^144220132 is an apocalyptic number.

It is an amenable number.

144220132 is an abundant number, since it is smaller than the sum of its proper divisors (159506648).

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

144220132 is a wasteful number, since it uses less digits than its factorization.

144220132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25420 (or 25411 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 144220132 is about 12009.1686639834. The cubic root of 144220132 is about 524.4152303795.

Adding to 144220132 its reverse (231022441), we get a palindrome (375242573).

The spelling of 144220132 in words is "one hundred forty-four million, two hundred twenty thousand, one hundred thirty-two".