144120252 has 12 divisors (see below), whose sum is σ = 336280616. Its totient is φ = 48040080.

The previous prime is 144120211. The next prime is 144120259. The reversal of 144120252 is 252021441.

144120252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144120259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6004999 + ... + 6005022.

Almost surely, 2^144120252 is an apocalyptic number.

144120252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144120252 is an abundant number, since it is smaller than the sum of its proper divisors (192160364).

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

144120252 is a wasteful number, since it uses less digits than its factorization.

144120252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12010028 (or 12010026 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 144120252 is about 12005.0094543903. The cubic root of 144120252 is about 524.2941407443.

Adding to 144120252 its reverse (252021441), we get a palindrome (396141693).

The spelling of 144120252 in words is "one hundred forty-four million, one hundred twenty thousand, two hundred fifty-two".