144808591 has 2 divisors, whose sum is σ = 144808592. Its totient is φ = 144808590.

The previous prime is 144808577. The next prime is 144808603. The reversal of 144808591 is 195808441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144808591 - 2²⁷ = 10590863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144808541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72404295 + 72404296.

It is an arithmetic number, because the mean of its divisors is an integer number (72404296).

Almost surely, 2^144808591 is an apocalyptic number.

144808591 is a deficient number, since it is larger than the sum of its proper divisors (1).

144808591 is an equidigital number, since it uses as much as digits as its factorization.

144808591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 40.

The square root of 144808591 is about 12033.6441280271. The cubic root of 144808591 is about 525.1275167197.

The spelling of 144808591 in words is "one hundred forty-four million, eight hundred eight thousand, five hundred ninety-one".