144912553 has 2 divisors, whose sum is σ = 144912554. Its totient is φ = 144912552.

The previous prime is 144912541. The next prime is 144912589. The reversal of 144912553 is 355219441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131974144 + 12938409 = 11488^2 + 3597^2 .

It is a cyclic number.

It is not a de Polignac number, because 144912553 - 2⁹ = 144912041 is a prime.

It is equal to p_8173951 and since 144912553 and 8173951 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (144912533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72456276 + 72456277.

It is an arithmetic number, because the mean of its divisors is an integer number (72456277).

Almost surely, 2^144912553 is an apocalyptic number.

It is an amenable number.

144912553 is a deficient number, since it is larger than the sum of its proper divisors (1).

144912553 is an equidigital number, since it uses as much as digits as its factorization.

144912553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 34.

The square root of 144912553 is about 12037.9629921345. The cubic root of 144912553 is about 525.2531544024.

The spelling of 144912553 in words is "one hundred forty-four million, nine hundred twelve thousand, five hundred fifty-three".