144240553 has 2 divisors, whose sum is σ = 144240554. Its totient is φ = 144240552.

The previous prime is 144240511. The next prime is 144240581. The reversal of 144240553 is 355042441.

It is an a-pointer prime, because the next prime (144240581) can be obtained adding 144240553 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129891609 + 14348944 = 11397^2 + 3788^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144240553 is a prime.

It is not a weakly prime, because it can be changed into another prime (144243553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72120276 + 72120277.

It is an arithmetic number, because the mean of its divisors is an integer number (72120277).

Almost surely, 2^144240553 is an apocalyptic number.

It is an amenable number.

144240553 is a deficient number, since it is larger than the sum of its proper divisors (1).

144240553 is an equidigital number, since it uses as much as digits as its factorization.

144240553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 144240553 is about 12010.0188592691. The cubic root of 144240553 is about 524.4399809185.

Adding to 144240553 its reverse (355042441), we get a palindrome (499282994).

The spelling of 144240553 in words is "one hundred forty-four million, two hundred forty thousand, five hundred fifty-three".