144771336747 has 16 divisors (see below), whose sum is σ = 220272706080. Its totient is φ = 93905731296.

The previous prime is 144771336719. The next prime is 144771336761. The reversal of 144771336747 is 747633177441.

144771336747 is a `hidden beast` number, since 1 + 447 + 7 + 133 + 67 + 4 + 7 = 666.

It is not a de Polignac number, because 144771336747 - 2¹⁸ = 144771074603 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 144771336693 and 144771336702.

It is not an unprimeable number, because it can be changed into a prime (144771336797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72457128 + ... + 72459125.

It is an arithmetic number, because the mean of its divisors is an integer number (13767044130).

Almost surely, 2^144771336747 is an apocalyptic number.

144771336747 is a deficient number, since it is larger than the sum of its proper divisors (75501369333).

144771336747 is a wasteful number, since it uses less digits than its factorization.

144771336747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144916299 (or 144916293 counting only the distinct ones).

The product of its digits is 8297856, while the sum is 54.

The spelling of 144771336747 in words is "one hundred forty-four billion, seven hundred seventy-one million, three hundred thirty-six thousand, seven hundred forty-seven".