42433143 has 4 divisors (see below), whose sum is σ = 56577528. Its totient is φ = 28288760.

The previous prime is 42433129. The next prime is 42433159. The reversal of 42433143 is 34133424.

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 42433143 - 2²² = 38238839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42433103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7072188 + ... + 7072193.

It is an arithmetic number, because the mean of its divisors is an integer number (14144382).

Almost surely, 2^42433143 is an apocalyptic number.

42433143 is a deficient number, since it is larger than the sum of its proper divisors (14144385).

42433143 is a wasteful number, since it uses less digits than its factorization.

42433143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14144384.

The product of its digits is 3456, while the sum is 24.

The square root of 42433143 is about 6514.0726891861. The cubic root of 42433143 is about 348.7935139240.

Adding to 42433143 its reverse (34133424), we get a palindrome (76566567).

The spelling of 42433143 in words is "forty-two million, four hundred thirty-three thousand, one hundred forty-three".