144647426044 has 12 divisors (see below), whose sum is σ = 276145086168. Its totient is φ = 65748830000.

The previous prime is 144647426017. The next prime is 144647426081. The reversal of 144647426044 is 440624746441.

It is a super-2 number, since 2×144647426044² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144647425985 and 144647426003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1643720707 + ... + 1643720794.

It is an arithmetic number, because the mean of its divisors is an integer number (23012090514).

Almost surely, 2^144647426044 is an apocalyptic number.

It is an amenable number.

144647426044 is a deficient number, since it is larger than the sum of its proper divisors (131497660124).

144647426044 is a wasteful number, since it uses less digits than its factorization.

144647426044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3287441516 (or 3287441514 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 46.

The spelling of 144647426044 in words is "one hundred forty-four billion, six hundred forty-seven million, four hundred twenty-six thousand, forty-four".