43542842 has 16 divisors (see below), whose sum is σ = 75106752. Its totient is φ = 18545760.

The previous prime is 43542823. The next prime is 43542853. The reversal of 43542842 is 24824534.

It is a junction number, because it is equal to n+sod(n) for n = 43542799 and 43542808.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7259 + ... + 11822.

It is an arithmetic number, because the mean of its divisors is an integer number (4694172).

Almost surely, 2^43542842 is an apocalyptic number.

43542842 is a deficient number, since it is larger than the sum of its proper divisors (31563910).

43542842 is a wasteful number, since it uses less digits than its factorization.

43542842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19253.

The product of its digits is 30720, while the sum is 32.

The square root of 43542842 is about 6598.7000234895. The cubic root of 43542842 is about 351.8079024598.

The spelling of 43542842 in words is "forty-three million, five hundred forty-two thousand, eight hundred forty-two".