4142442345 has 16 divisors (see below), whose sum is σ = 6640641792. Its totient is φ = 2205057920.

The previous prime is 4142442329. The next prime is 4142442349. The reversal of 4142442345 is 5432442414.

4142442345 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4142442345 - 2⁴ = 4142442329 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (4142442349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257217 + ... + 272846.

It is an arithmetic number, because the mean of its divisors is an integer number (415040112).

Almost surely, 2^4142442345 is an apocalyptic number.

It is an amenable number.

4142442345 is a deficient number, since it is larger than the sum of its proper divisors (2498199447).

4142442345 is a wasteful number, since it uses less digits than its factorization.

4142442345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530592.

The product of its digits is 61440, while the sum is 33.

The square root of 4142442345 is about 64361.8081240731. The cubic root of 4142442345 is about 1606.0244679840.

Adding to 4142442345 its reverse (5432442414), we get a palindrome (9574884759).

The spelling of 4142442345 in words is "four billion, one hundred forty-two million, four hundred forty-two thousand, three hundred forty-five".