42330445 has 8 divisors (see below), whose sum is σ = 51008760. Its totient is φ = 33722880.

The previous prime is 42330443. The next prime is 42330467. The reversal of 42330445 is 54403324.

42330445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1447209 + 40883236 = 1203^2 + 6394^2 .

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

It is not a de Polignac number, because 42330445 - 2¹ = 42330443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42330443) 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, 16360 + ... + 18769.

It is an arithmetic number, because the mean of its divisors is an integer number (6376095).

Almost surely, 2^42330445 is an apocalyptic number.

It is an amenable number.

42330445 is a deficient number, since it is larger than the sum of its proper divisors (8678315).

42330445 is a wasteful number, since it uses less digits than its factorization.

42330445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35375.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 42330445 is about 6506.1851341627. The cubic root of 42330445 is about 348.5118996751.

Adding to 42330445 its reverse (54403324), we get a palindrome (96733769).

The spelling of 42330445 in words is "forty-two million, three hundred thirty thousand, four hundred forty-five".