42331745 has 8 divisors (see below), whose sum is σ = 50863680. Its totient is φ = 33821680.

The previous prime is 42331741. The next prime is 42331747. The reversal of 42331745 is 54713324.

It is a happy number.

42331745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42331745 - 2² = 42331741 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42331741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 851 + ... + 9240.

It is an arithmetic number, because the mean of its divisors is an integer number (6357960).

Almost surely, 2^42331745 is an apocalyptic number.

It is an amenable number.

42331745 is a deficient number, since it is larger than the sum of its proper divisors (8531935).

42331745 is a wasteful number, since it uses less digits than its factorization.

42331745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10935.

The product of its digits is 10080, while the sum is 29.

The square root of 42331745 is about 6506.2850383302. The cubic root of 42331745 is about 348.5154673267.

The spelling of 42331745 in words is "forty-two million, three hundred thirty-one thousand, seven hundred forty-five".