42550141 has 2 divisors, whose sum is σ = 42550142. Its totient is φ = 42550140.

The previous prime is 42550129. The next prime is 42550147. The reversal of 42550141 is 14105524.

42550141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22524516 + 20025625 = 4746^2 + 4475^2 .

It is a cyclic number.

It is not a de Polignac number, because 42550141 - 2¹⁵ = 42517373 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 (42550147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21275070 + 21275071.

It is an arithmetic number, because the mean of its divisors is an integer number (21275071).

Almost surely, 2^42550141 is an apocalyptic number.

It is an amenable number.

42550141 is a deficient number, since it is larger than the sum of its proper divisors (1).

42550141 is an equidigital number, since it uses as much as digits as its factorization.

42550141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 42550141 is about 6523.0469107619. The cubic root of 42550141 is about 349.1137879062.

Adding to 42550141 its reverse (14105524), we get a palindrome (56655665).

The spelling of 42550141 in words is "forty-two million, five hundred fifty thousand, one hundred forty-one".