42030143 has 2 divisors, whose sum is σ = 42030144. Its totient is φ = 42030142.

The previous prime is 42030127. The next prime is 42030167. The reversal of 42030143 is 34103024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42030143 - 2⁴ = 42030127 is a prime.

It is a zygodrome in base 4.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42030343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21015071 + 21015072.

It is an arithmetic number, because the mean of its divisors is an integer number (21015072).

Almost surely, 2^42030143 is an apocalyptic number.

42030143 is a deficient number, since it is larger than the sum of its proper divisors (1).

42030143 is an equidigital number, since it uses as much as digits as its factorization.

42030143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 42030143 is about 6483.0658642343. The cubic root of 42030143 is about 347.6858016435.

Adding to 42030143 its reverse (34103024), we get a palindrome (76133167).

The spelling of 42030143 in words is "forty-two million, thirty thousand, one hundred forty-three".