43075434145 has 16 divisors (see below), whose sum is σ = 52958919888. Its totient is φ = 33614991360.

The previous prime is 43075434137. The next prime is 43075434161. The reversal of 43075434145 is 54143457034.

It can be written as a sum of positive squares in 8 ways, for example, as 26240112144 + 16835322001 = 161988^2 + 129751^2 .

It is not a de Polignac number, because 43075434145 - 2³ = 43075434137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43075434098 and 43075434107.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2174827 + ... + 2194543.

It is an arithmetic number, because the mean of its divisors is an integer number (3309932493).

Almost surely, 2^43075434145 is an apocalyptic number.

It is an amenable number.

43075434145 is a deficient number, since it is larger than the sum of its proper divisors (9883485743).

43075434145 is a wasteful number, since it uses less digits than its factorization.

43075434145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30420.

The product of its (nonzero) digits is 403200, while the sum is 40.

The spelling of 43075434145 in words is "forty-three billion, seventy-five million, four hundred thirty-four thousand, one hundred forty-five".