43145045033 has 2 divisors, whose sum is σ = 43145045034. Its totient is φ = 43145045032.

The previous prime is 43145045023. The next prime is 43145045087. The reversal of 43145045033 is 33054054134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43135966864 + 9078169 = 207692^2 + 3013^2 .

It is a cyclic number.

It is not a de Polignac number, because 43145045033 - 2¹⁰ = 43145044009 is a prime.

It is a super-2 number, since 2×43145045033² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (43145045023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21572522516 + 21572522517.

It is an arithmetic number, because the mean of its divisors is an integer number (21572522517).

Almost surely, 2^43145045033 is an apocalyptic number.

It is an amenable number.

43145045033 is a deficient number, since it is larger than the sum of its proper divisors (1).

43145045033 is an equidigital number, since it uses as much as digits as its factorization.

43145045033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 43145045033 its reverse (33054054134), we get a palindrome (76199099167).

The spelling of 43145045033 in words is "forty-three billion, one hundred forty-five million, forty-five thousand, thirty-three".