43045638 has 16 divisors (see below), whose sum is σ = 86370096. Its totient is φ = 14302080.

The previous prime is 43045637. The next prime is 43045663. The reversal of 43045638 is 83654034.

It is a junction number, because it is equal to n+sod(n) for n = 43045599 and 43045608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43045631) 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, 9583 + ... + 13338.

It is an arithmetic number, because the mean of its divisors is an integer number (5398131).

Almost surely, 2^43045638 is an apocalyptic number.

43045638 is an abundant number, since it is smaller than the sum of its proper divisors (43324458).

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

43045638 is a wasteful number, since it uses less digits than its factorization.

43045638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23239.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 43045638 is about 6560.9174663305. The cubic root of 43045638 is about 350.4637064637.

The spelling of 43045638 in words is "forty-three million, forty-five thousand, six hundred thirty-eight".