142244535313 has 2 divisors, whose sum is σ = 142244535314. Its totient is φ = 142244535312.

The previous prime is 142244535241. The next prime is 142244535401. The reversal of 142244535313 is 313535442241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77724979264 + 64519556049 = 278792^2 + 254007^2 .

It is a cyclic number.

It is not a de Polignac number, because 142244535313 - 2⁹ = 142244534801 is a prime.

It is a super-2 number, since 2×142244535313² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (142244515313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71122267656 + 71122267657.

It is an arithmetic number, because the mean of its divisors is an integer number (71122267657).

Almost surely, 2^142244535313 is an apocalyptic number.

It is an amenable number.

142244535313 is a deficient number, since it is larger than the sum of its proper divisors (1).

142244535313 is an equidigital number, since it uses as much as digits as its factorization.

142244535313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172800, while the sum is 37.

Adding to 142244535313 its reverse (313535442241), we get a palindrome (455779977554).

The spelling of 142244535313 in words is "one hundred forty-two billion, two hundred forty-four million, five hundred thirty-five thousand, three hundred thirteen".