43145238 has 16 divisors (see below), whose sum is σ = 90832320. Its totient is φ = 13624776.

The previous prime is 43145237. The next prime is 43145251. The reversal of 43145238 is 83254134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43145237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189120 + ... + 189347.

It is an arithmetic number, because the mean of its divisors is an integer number (5677020).

Almost surely, 2^43145238 is an apocalyptic number.

43145238 is an abundant number, since it is smaller than the sum of its proper divisors (47687082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43145238 is a wasteful number, since it uses less digits than its factorization.

43145238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378491.

The product of its digits is 11520, while the sum is 30.

The square root of 43145238 is about 6568.5034825293. The cubic root of 43145238 is about 350.7338019491.

The spelling of 43145238 in words is "forty-three million, one hundred forty-five thousand, two hundred thirty-eight".