1442243343137 has 2 divisors, whose sum is σ = 1442243343138. Its totient is φ = 1442243343136.

The previous prime is 1442243343113. The next prime is 1442243343181. The reversal of 1442243343137 is 7313433422441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 846245447056 + 595997896081 = 919916^2 + 772009^2 .

It is a cyclic number.

It is not a de Polignac number, because 1442243343137 - 2²⁶ = 1442176234273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1442243343094 and 1442243343103.

It is not a weakly prime, because it can be changed into another prime (1442243348137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721121671568 + 721121671569.

It is an arithmetic number, because the mean of its divisors is an integer number (721121671569).

Almost surely, 2^{1442243343137} is an apocalyptic number.

It is an amenable number.

1442243343137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442243343137 is an equidigital number, since it uses as much as digits as its factorization.

1442243343137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 41.

Adding to 1442243343137 its reverse (7313433422441), we get a palindrome (8755676765578).

The spelling of 1442243343137 in words is "one trillion, four hundred forty-two billion, two hundred forty-three million, three hundred forty-three thousand, one hundred thirty-seven".