144555253 has 4 divisors (see below), whose sum is σ = 150840288. Its totient is φ = 138270220.

The previous prime is 144555239. The next prime is 144555269. The reversal of 144555253 is 352555441.

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 144555253 - 2⁹ = 144554741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144555223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3142483 + ... + 3142528.

It is an arithmetic number, because the mean of its divisors is an integer number (37710072).

Almost surely, 2^144555253 is an apocalyptic number.

It is an amenable number.

144555253 is a deficient number, since it is larger than the sum of its proper divisors (6285035).

144555253 is an equidigital number, since it uses as much as digits as its factorization.

144555253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6285034.

The product of its digits is 60000, while the sum is 34.

The square root of 144555253 is about 12023.1132823408. The cubic root of 144555253 is about 524.8211066985.

The spelling of 144555253 in words is "one hundred forty-four million, five hundred fifty-five thousand, two hundred fifty-three".