144588481 has 2 divisors, whose sum is σ = 144588482. Its totient is φ = 144588480.

The previous prime is 144588473. The next prime is 144588523. The reversal of 144588481 is 184885441.

144588481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131331600 + 13256881 = 11460^2 + 3641^2 .

It is a cyclic number.

It is not a de Polignac number, because 144588481 - 2³ = 144588473 is a prime.

It is a super-2 number, since 2×144588481² = 41811657675774722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (144588401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72294240 + 72294241.

It is an arithmetic number, because the mean of its divisors is an integer number (72294241).

Almost surely, 2^144588481 is an apocalyptic number.

It is an amenable number.

144588481 is a deficient number, since it is larger than the sum of its proper divisors (1).

144588481 is an equidigital number, since it uses as much as digits as its factorization.

144588481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163840, while the sum is 43.

The square root of 144588481 is about 12024.4950413728. The cubic root of 144588481 is about 524.8613160518.

The spelling of 144588481 in words is "one hundred forty-four million, five hundred eighty-eight thousand, four hundred eighty-one".