144584521 has 2 divisors, whose sum is σ = 144584522. Its totient is φ = 144584520.

The previous prime is 144584497. The next prime is 144584543. The reversal of 144584521 is 125485441.

144584521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124657225 + 19927296 = 11165^2 + 4464^2 .

It is a cyclic number.

It is not a de Polignac number, because 144584521 - 2⁷ = 144584393 is a prime.

It is not a weakly prime, because it can be changed into another prime (144584551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72292260 + 72292261.

It is an arithmetic number, because the mean of its divisors is an integer number (72292261).

Almost surely, 2^144584521 is an apocalyptic number.

It is an amenable number.

144584521 is a deficient number, since it is larger than the sum of its proper divisors (1).

144584521 is an equidigital number, since it uses as much as digits as its factorization.

144584521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25600, while the sum is 34.

The square root of 144584521 is about 12024.3303763661. The cubic root of 144584521 is about 524.8565243612.

The spelling of 144584521 in words is "one hundred forty-four million, five hundred eighty-four thousand, five hundred twenty-one".