144644500436 has 12 divisors (see below), whose sum is σ = 266450395680. Its totient is φ = 68515815960.

The previous prime is 144644500421. The next prime is 144644500457. The reversal of 144644500436 is 634005446441.

It is a junction number, because it is equal to n+sod(n) for n = 144644500393 and 144644500402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 951608480 + ... + 951608631.

It is an arithmetic number, because the mean of its divisors is an integer number (22204199640).

Almost surely, 2^144644500436 is an apocalyptic number.

It is an amenable number.

144644500436 is a deficient number, since it is larger than the sum of its proper divisors (121805895244).

144644500436 is a wasteful number, since it uses less digits than its factorization.

144644500436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1903217134 (or 1903217132 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 41.

Adding to 144644500436 its reverse (634005446441), we get a palindrome (778649946877).

The spelling of 144644500436 in words is "one hundred forty-four billion, six hundred forty-four million, five hundred thousand, four hundred thirty-six".