144323587 has 2 divisors, whose sum is σ = 144323588. Its totient is φ = 144323586.

The previous prime is 144323581. The next prime is 144323629. The reversal of 144323587 is 785323441.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144323587 - 2²⁷ = 10105859 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (144323581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72161793 + 72161794.

It is an arithmetic number, because the mean of its divisors is an integer number (72161794).

Almost surely, 2^144323587 is an apocalyptic number.

144323587 is a deficient number, since it is larger than the sum of its proper divisors (1).

144323587 is an equidigital number, since it uses as much as digits as its factorization.

144323587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 37.

The square root of 144323587 is about 12013.4752257621. The cubic root of 144323587 is about 524.5405952398.

The spelling of 144323587 in words is "one hundred forty-four million, three hundred twenty-three thousand, five hundred eighty-seven".