43026145165 has 16 divisors (see below), whose sum is σ = 51919515648. Its totient is φ = 34229160576.

The previous prime is 43026145139. The next prime is 43026145187. The reversal of 43026145165 is 56154162034.

43026145165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 43026145165 - 2⁷ = 43026145037 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 1024164 + ... + 1065346.

It is an arithmetic number, because the mean of its divisors is an integer number (3244969728).

Almost surely, 2^43026145165 is an apocalyptic number.

It is an amenable number.

43026145165 is a deficient number, since it is larger than the sum of its proper divisors (8893370483).

43026145165 is a wasteful number, since it uses less digits than its factorization.

43026145165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42348.

The product of its (nonzero) digits is 86400, while the sum is 37.

It can be divided in two parts, 43026 and 145165, that added together give a triangular number (188191 = T₆₁₃).

The spelling of 43026145165 in words is "forty-three billion, twenty-six million, one hundred forty-five thousand, one hundred sixty-five".