43744448011145 has 64 divisors (see below), whose sum is σ = 64425617657856. Its totient is φ = 27832213708800.

The previous prime is 43744448011141. The next prime is 43744448011169. The reversal of 43744448011145 is 54111084444734.

It is not a de Polignac number, because 43744448011145 - 2² = 43744448011141 is a prime.

It is a super-2 number, since 2×43744448011145² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 43744448011093 and 43744448011102.

It is not an unprimeable number, because it can be changed into a prime (43744448011141) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12440072 + ... + 15564198.

It is an arithmetic number, because the mean of its divisors is an integer number (1006650275904).

Almost surely, 2^{43744448011145} is an apocalyptic number.

It is an amenable number.

43744448011145 is a deficient number, since it is larger than the sum of its proper divisors (20681169646711).

43744448011145 is a wasteful number, since it uses less digits than its factorization.

43744448011145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3124490.

The product of its (nonzero) digits is 3440640, while the sum is 50.

The spelling of 43744448011145 in words is "forty-three trillion, seven hundred forty-four billion, four hundred forty-eight million, eleven thousand, one hundred forty-five".