144444499624 has 32 divisors (see below), whose sum is σ = 286806436200. Its totient is φ = 67964016640.

The previous prime is 144444499609. The next prime is 144444499627. The reversal of 144444499624 is 426994444441.

It can be written as a sum of positive squares in 4 ways, for example, as 143815392900 + 629106724 = 379230^2 + 25082^2 .

It is a super-2 number, since 2×144444499624² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144444499627) 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 in 7 ways as a sum of consecutive naturals, for example, 909684 + ... + 1056604.

Almost surely, 2^144444499624 is an apocalyptic number.

It is an amenable number.

144444499624 is a deficient number, since it is larger than the sum of its proper divisors (142361936576).

144444499624 is a wasteful number, since it uses less digits than its factorization.

144444499624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154173 (or 154169 counting only the distinct ones).

The product of its digits is 15925248, while the sum is 55.

The spelling of 144444499624 in words is "one hundred forty-four billion, four hundred forty-four million, four hundred ninety-nine thousand, six hundred twenty-four".