43145193 has 24 divisors (see below), whose sum is σ = 71197248. Its totient is φ = 22756032.

The previous prime is 43145191. The next prime is 43145237. The reversal of 43145193 is 39154134.

It is not a de Polignac number, because 43145193 - 2¹ = 43145191 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is the 6569-th Hogben number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 43145193.

It is not an unprimeable number, because it can be changed into a prime (43145191) by changing a digit.

It is a nontrivial repunit in base 6568.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2530 + ... + 9627.

It is an arithmetic number, because the mean of its divisors is an integer number (2966552).

Almost surely, 2^43145193 is an apocalyptic number.

It is an amenable number.

43145193 is a deficient number, since it is larger than the sum of its proper divisors (28052055).

43145193 is a wasteful number, since it uses less digits than its factorization.

43145193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12193 (or 12180 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 43145193 is about 6568.5000570907. The cubic root of 43145193 is about 350.7336800120.

The spelling of 43145193 in words is "forty-three million, one hundred forty-five thousand, one hundred ninety-three".