43146881282 has 18 divisors (see below), whose sum is σ = 65145660489. Its totient is φ = 21432583680.

The previous prime is 43146881227. The next prime is 43146881339. The reversal of 43146881282 is 28218864134.

It can be written as a sum of positive squares in 2 ways, for example, as 42630273841 + 516607441 = 206471^2 + 22729^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=146879.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 56107394 + ... + 56108162.

Almost surely, 2^43146881282 is an apocalyptic number.

43146881282 is a deficient number, since it is larger than the sum of its proper divisors (21998779207).

43146881282 is an frugal number, since it uses more digits than its factorization.

43146881282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1922 (or 962 counting only the distinct ones).

The product of its digits is 589824, while the sum is 47.

The spelling of 43146881282 in words is "forty-three billion, one hundred forty-six million, eight hundred eighty-one thousand, two hundred eighty-two".