144511661943 has 48 divisors (see below), whose sum is σ = 232445285280. Its totient is φ = 85769798400.

The previous prime is 144511661933. The next prime is 144511661947. The reversal of 144511661943 is 349166115441.

It is a happy number.

144511661943 is a `hidden beast` number, since 1 + 4 + 451 + 1 + 6 + 6 + 194 + 3 = 666.

It is not a de Polignac number, because 144511661943 - 2⁸ = 144511661687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144511661947) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2813173 + ... + 2864081.

It is an arithmetic number, because the mean of its divisors is an integer number (4842610110).

Almost surely, 2^144511661943 is an apocalyptic number.

144511661943 is a deficient number, since it is larger than the sum of its proper divisors (87933623337).

144511661943 is a wasteful number, since it uses less digits than its factorization.

144511661943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51520 (or 51517 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The spelling of 144511661943 in words is "one hundred forty-four billion, five hundred eleven million, six hundred sixty-one thousand, nine hundred forty-three".