42881159 has 2 divisors, whose sum is σ = 42881160. Its totient is φ = 42881158.

The previous prime is 42881101. The next prime is 42881183. The reversal of 42881159 is 95118824.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42881159 - 2²⁴ = 26103943 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42881359) 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 as a sum of consecutive naturals, namely, 21440579 + 21440580.

It is an arithmetic number, because the mean of its divisors is an integer number (21440580).

Almost surely, 2^42881159 is an apocalyptic number.

42881159 is a deficient number, since it is larger than the sum of its proper divisors (1).

42881159 is an equidigital number, since it uses as much as digits as its factorization.

42881159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 38.

The square root of 42881159 is about 6548.3707133912. The cubic root of 42881159 is about 350.0167583813.

The spelling of 42881159 in words is "forty-two million, eight hundred eighty-one thousand, one hundred fifty-nine".