144400044 has 24 divisors (see below), whose sum is σ = 337322160. Its totient is φ = 48077824.

The previous prime is 144400033. The next prime is 144400079. The reversal of 144400044 is 440004441.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4672 + ... + 17624.

It is an arithmetic number, because the mean of its divisors is an integer number (14055090).

Almost surely, 2^144400044 is an apocalyptic number.

It is an amenable number.

144400044 is an abundant number, since it is smaller than the sum of its proper divisors (192922116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144400044 is a wasteful number, since it uses less digits than its factorization.

144400044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13889 (or 13887 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 144400044 is about 12016.6569394320. The cubic root of 144400044 is about 524.6332059285.

Adding to 144400044 its reverse (440004441), we get a palindrome (584404485).

It can be divided in two parts, 14 and 4400044, that multiplied together give a palindrome (61600616).

The spelling of 144400044 in words is "one hundred forty-four million, four hundred thousand, forty-four".