1442224141 has 2 divisors, whose sum is σ = 1442224142. Its totient is φ = 1442224140.

The previous prime is 1442224139. The next prime is 1442224211. The reversal of 1442224141 is 1414222441.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1302488100 + 139736041 = 36090^2 + 11821^2 .

It is a cyclic number.

It is not a de Polignac number, because 1442224141 - 2¹ = 1442224139 is a prime.

Together with 1442224139, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1442224541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721112070 + 721112071.

It is an arithmetic number, because the mean of its divisors is an integer number (721112071).

Almost surely, 2^1442224141 is an apocalyptic number.

It is an amenable number.

1442224141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442224141 is an equidigital number, since it uses as much as digits as its factorization.

1442224141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2048, while the sum is 25.

The square root of 1442224141 is about 37976.6262456264. The cubic root of 1442224141 is about 1129.8243235917.

Adding to 1442224141 its reverse (1414222441), we get a palindrome (2856446582).

The spelling of 1442224141 in words is "one billion, four hundred forty-two million, two hundred twenty-four thousand, one hundred forty-one".