144424640566 has 16 divisors (see below), whose sum is σ = 217808940384. Its totient is φ = 71822641984.

The previous prime is 144424640537. The next prime is 144424640567. The reversal of 144424640566 is 665046424441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144424640567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49770 + ... + 539746.

It is an arithmetic number, because the mean of its divisors is an integer number (13613058774).

Almost surely, 2^144424640566 is an apocalyptic number.

144424640566 is a deficient number, since it is larger than the sum of its proper divisors (73384299818).

144424640566 is a wasteful number, since it uses less digits than its factorization.

144424640566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490775.

The product of its (nonzero) digits is 2211840, while the sum is 46.

The spelling of 144424640566 in words is "one hundred forty-four billion, four hundred twenty-four million, six hundred forty thousand, five hundred sixty-six".