42330143 has 4 divisors (see below), whose sum is σ = 44170608. Its totient is φ = 40489680.

The previous prime is 42330107. The next prime is 42330149. The reversal of 42330143 is 34103324.

42330143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42330143 - 2¹⁴ = 42313759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42330149) 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 3 ways as a sum of consecutive naturals, for example, 920198 + ... + 920243.

It is an arithmetic number, because the mean of its divisors is an integer number (11042652).

Almost surely, 2^42330143 is an apocalyptic number.

42330143 is a deficient number, since it is larger than the sum of its proper divisors (1840465).

42330143 is a wasteful number, since it uses less digits than its factorization.

42330143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1840464.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 42330143 is about 6506.1619254365. The cubic root of 42330143 is about 348.5110708718.

Adding to 42330143 its reverse (34103324), we get a palindrome (76433467).

The spelling of 42330143 in words is "forty-two million, three hundred thirty thousand, one hundred forty-three".