144121452 has 24 divisors (see below), whose sum is σ = 337072176. Its totient is φ = 47927808.

The previous prime is 144121433. The next prime is 144121459. The reversal of 144121452 is 254121441.

144121452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (144121459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8673 + ... + 19064.

It is an arithmetic number, because the mean of its divisors is an integer number (14044674).

Almost surely, 2^144121452 is an apocalyptic number.

144121452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144121452 is an abundant number, since it is smaller than the sum of its proper divisors (192950724).

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

144121452 is a wasteful number, since it uses less digits than its factorization.

144121452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28177 (or 28175 counting only the distinct ones).

The product of its digits is 1280, while the sum is 24.

The square root of 144121452 is about 12005.0594334222. The cubic root of 144121452 is about 524.2955958977.

Adding to 144121452 its reverse (254121441), we get a palindrome (398242893).

The spelling of 144121452 in words is "one hundred forty-four million, one hundred twenty-one thousand, four hundred fifty-two".