144287587 has 2 divisors, whose sum is σ = 144287588. Its totient is φ = 144287586.

The previous prime is 144287567. The next prime is 144287593. The reversal of 144287587 is 785782441.

144287587 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 is an emirp because it is prime and its reverse (785782441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144287587 - 2²³ = 135898979 is a prime.

It is not a weakly prime, because it can be changed into another prime (144287527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72143793 + 72143794.

It is an arithmetic number, because the mean of its divisors is an integer number (72143794).

Almost surely, 2^144287587 is an apocalyptic number.

144287587 is a deficient number, since it is larger than the sum of its proper divisors (1).

144287587 is an equidigital number, since it uses as much as digits as its factorization.

144287587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 501760, while the sum is 46.

The square root of 144287587 is about 12011.9768148294. The cubic root of 144287587 is about 524.4969779025.

The spelling of 144287587 in words is "one hundred forty-four million, two hundred eighty-seven thousand, five hundred eighty-seven".