144405556944 has 160 divisors (see below), whose sum is σ = 409833768960. Its totient is φ = 43451520000.

The previous prime is 144405556943. The next prime is 144405557053. The reversal of 144405556944 is 449655504441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144405556943) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48636292 + ... + 48639260.

It is an arithmetic number, because the mean of its divisors is an integer number (2561461056).

Almost surely, 2^144405556944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144405556944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204916884480).

144405556944 is an abundant number, since it is smaller than the sum of its proper divisors (265428212016).

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

144405556944 is a wasteful number, since it uses less digits than its factorization.

144405556944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3609 (or 3603 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 51.

The spelling of 144405556944 in words is "one hundred forty-four billion, four hundred five million, five hundred fifty-six thousand, nine hundred forty-four".