43145035841 has 2 divisors, whose sum is σ = 43145035842. Its totient is φ = 43145035840.

The previous prime is 43145035807. The next prime is 43145035949. The reversal of 43145035841 is 14853054134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42892066816 + 252969025 = 207104^2 + 15905^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43145035841 is a prime.

It is a super-2 number, since 2×43145035841² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43145035795 and 43145035804.

It is not a weakly prime, because it can be changed into another prime (43145037841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21572517920 + 21572517921.

It is an arithmetic number, because the mean of its divisors is an integer number (21572517921).

Almost surely, 2^43145035841 is an apocalyptic number.

It is an amenable number.

43145035841 is a deficient number, since it is larger than the sum of its proper divisors (1).

43145035841 is an equidigital number, since it uses as much as digits as its factorization.

43145035841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 115200, while the sum is 38.

Adding to 43145035841 its reverse (14853054134), we get a palindrome (57998089975).

The spelling of 43145035841 in words is "forty-three billion, one hundred forty-five million, thirty-five thousand, eight hundred forty-one".