144401253 has 4 divisors (see below), whose sum is σ = 192535008. Its totient is φ = 96267500.

The previous prime is 144401189. The next prime is 144401263. The reversal of 144401253 is 352104441.

144401253 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.

It is a cyclic number.

It is not a de Polignac number, because 144401253 - 2⁶ = 144401189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144401263) 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, 24066873 + ... + 24066878.

It is an arithmetic number, because the mean of its divisors is an integer number (48133752).

Almost surely, 2^144401253 is an apocalyptic number.

It is an amenable number.

144401253 is a deficient number, since it is larger than the sum of its proper divisors (48133755).

144401253 is an equidigital number, since it uses as much as digits as its factorization.

144401253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48133754.

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

The square root of 144401253 is about 12016.7072444992. The cubic root of 144401253 is about 524.6346701012.

Adding to 144401253 its reverse (352104441), we get a palindrome (496505694).

The spelling of 144401253 in words is "one hundred forty-four million, four hundred one thousand, two hundred fifty-three".