144145453 has 4 divisors (see below), whose sum is σ = 144402048. Its totient is φ = 143888860.

The previous prime is 144145447. The next prime is 144145459. The reversal of 144145453 is 354541441.

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 an interprime number because it is at equal distance from previous prime (144145447) and next prime (144145459).

It is a cyclic number.

It is not a de Polignac number, because 144145453 - 2¹³ = 144137261 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144145459) 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, 127453 + ... + 128578.

It is an arithmetic number, because the mean of its divisors is an integer number (36100512).

Almost surely, 2^144145453 is an apocalyptic number.

It is an amenable number.

144145453 is a deficient number, since it is larger than the sum of its proper divisors (256595).

144145453 is an equidigital number, since it uses as much as digits as its factorization.

144145453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256594.

The product of its digits is 19200, while the sum is 31.

The square root of 144145453 is about 12006.0590120156. The cubic root of 144145453 is about 524.3246984820.

Adding to 144145453 its reverse (354541441), we get a palindrome (498686894).

The spelling of 144145453 in words is "one hundred forty-four million, one hundred forty-five thousand, four hundred fifty-three".