43054642 has 12 divisors (see below), whose sum is σ = 68605290. Its totient is φ = 20260736.

The previous prime is 43054619. The next prime is 43054663. The reversal of 43054642 is 24645034.

It can be written as a sum of positive squares in 3 ways, for example, as 43046721 + 7921 = 6561^2 + 89^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 43054642.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36667 + ... + 37822.

Almost surely, 2^43054642 is an apocalyptic number.

43054642 is a deficient number, since it is larger than the sum of its proper divisors (25550648).

43054642 is a wasteful number, since it uses less digits than its factorization.

43054642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74525 (or 74508 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 43054642 is about 6561.6036149710. The cubic root of 43054642 is about 350.4881406485.

Adding to 43054642 its reverse (24645034), we get a palindrome (67699676).

The spelling of 43054642 in words is "forty-three million, fifty-four thousand, six hundred forty-two".