144532253 has 4 divisors (see below), whose sum is σ = 150816288. Its totient is φ = 138248220.

The previous prime is 144532243. The next prime is 144532319. The reversal of 144532253 is 352235441.

It is a happy number.

144532253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 352235441 = 983 ⋅358327.

It is a cyclic number.

It is not a de Polignac number, because 144532253 - 2⁴ = 144532237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144532243) 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, 3141983 + ... + 3142028.

It is an arithmetic number, because the mean of its divisors is an integer number (37704072).

Almost surely, 2^144532253 is an apocalyptic number.

It is an amenable number.

144532253 is a deficient number, since it is larger than the sum of its proper divisors (6284035).

144532253 is an equidigital number, since it uses as much as digits as its factorization.

144532253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6284034.

The product of its digits is 14400, while the sum is 29.

The square root of 144532253 is about 12022.1567532619. The cubic root of 144532253 is about 524.7932706855.

Adding to 144532253 its reverse (352235441), we get a palindrome (496767694).

The spelling of 144532253 in words is "one hundred forty-four million, five hundred thirty-two thousand, two hundred fifty-three".