42143433 has 8 divisors (see below), whose sum is σ = 56707200. Its totient is φ = 27837648.

The previous prime is 42143417. The next prime is 42143441. The reversal of 42143433 is 33434124.

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

It is not a de Polignac number, because 42143433 - 2⁴ = 42143417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42148433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64113 + ... + 64766.

It is an arithmetic number, because the mean of its divisors is an integer number (7088400).

Almost surely, 2^42143433 is an apocalyptic number.

It is an amenable number.

42143433 is a deficient number, since it is larger than the sum of its proper divisors (14563767).

42143433 is a wasteful number, since it uses less digits than its factorization.

42143433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128991.

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

The square root of 42143433 is about 6491.7973628264. The cubic root of 42143433 is about 347.9979108740.

Adding to 42143433 its reverse (33434124), we get a palindrome (75577557).

The spelling of 42143433 in words is "forty-two million, one hundred forty-three thousand, four hundred thirty-three".