144321252 has 24 divisors (see below), whose sum is σ = 337907136. Its totient is φ = 47941728.

The previous prime is 144321241. The next prime is 144321269. The reversal of 144321252 is 252123441.

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, 17008 + ... + 24039.

It is an arithmetic number, because the mean of its divisors is an integer number (14079464).

Almost surely, 2^144321252 is an apocalyptic number.

144321252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144321252 is an abundant number, since it is smaller than the sum of its proper divisors (193585884).

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

144321252 is a wasteful number, since it uses less digits than its factorization.

144321252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41347 (or 41345 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 144321252 is about 12013.3780428321. The cubic root of 144321252 is about 524.5377663908.

Adding to 144321252 its reverse (252123441), we get a palindrome (396444693).

The spelling of 144321252 in words is "one hundred forty-four million, three hundred twenty-one thousand, two hundred fifty-two".