42450022141 has 2 divisors, whose sum is σ = 42450022142. Its totient is φ = 42450022140.

The previous prime is 42450022127. The next prime is 42450022163. The reversal of 42450022141 is 14122005424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42368047225 + 81974916 = 205835^2 + 9054^2 .

It is a cyclic number.

It is not a de Polignac number, because 42450022141 - 2¹⁷ = 42449891069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42450028141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21225011070 + 21225011071.

It is an arithmetic number, because the mean of its divisors is an integer number (21225011071).

Almost surely, 2^42450022141 is an apocalyptic number.

It is an amenable number.

42450022141 is a deficient number, since it is larger than the sum of its proper divisors (1).

42450022141 is an equidigital number, since it uses as much as digits as its factorization.

42450022141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 42450022141 its reverse (14122005424), we get a palindrome (56572027565).

The spelling of 42450022141 in words is "forty-two billion, four hundred fifty million, twenty-two thousand, one hundred forty-one".