42026143 has 4 divisors (see below), whose sum is σ = 42117768. Its totient is φ = 41934520.

The previous prime is 42026071. The next prime is 42026147. The reversal of 42026143 is 34162024.

It is a happy number.

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 42026143 - 2⁹ = 42025631 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 (42026147) 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 3 ways as a sum of consecutive naturals, for example, 45121 + ... + 46042.

It is an arithmetic number, because the mean of its divisors is an integer number (10529442).

Almost surely, 2^42026143 is an apocalyptic number.

42026143 is a deficient number, since it is larger than the sum of its proper divisors (91625).

42026143 is an equidigital number, since it uses as much as digits as its factorization.

42026143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91624.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 42026143 is about 6482.7573608766. The cubic root of 42026143 is about 347.6747715650.

Adding to 42026143 its reverse (34162024), we get a palindrome (76188167).

The spelling of 42026143 in words is "forty-two million, twenty-six thousand, one hundred forty-three".