144001661184 has 108 divisors (see below), whose sum is σ = 439615485036. Its totient is φ = 45176979456.

The previous prime is 144001661183. The next prime is 144001661189. The reversal of 144001661184 is 481166100441.

It is a happy number.

144001661184 is a `hidden beast` number, since 1 + 4 + 400 + 16 + 61 + 184 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 86746742784 + 57254918400 = 294528^2 + 239280^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (144001661183) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1799089 + ... + 1877424.

Almost surely, 2^144001661184 is an apocalyptic number.

It is an amenable number.

144001661184 is an abundant number, since it is smaller than the sum of its proper divisors (295613823852).

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

144001661184 is a wasteful number, since it uses less digits than its factorization.

144001661184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3676552 (or 3676535 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The spelling of 144001661184 in words is "one hundred forty-four billion, one million, six hundred sixty-one thousand, one hundred eighty-four".