142311546647 has 2 divisors, whose sum is σ = 142311546648. Its totient is φ = 142311546646.

The previous prime is 142311546617. The next prime is 142311546697. The reversal of 142311546647 is 746645113241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142311546647 - 2³⁰ = 141237804823 is a prime.

It is a super-2 number, since 2×142311546647² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142311546598 and 142311546607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142311546617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71155773323 + 71155773324.

It is an arithmetic number, because the mean of its divisors is an integer number (71155773324).

Almost surely, 2^142311546647 is an apocalyptic number.

142311546647 is a deficient number, since it is larger than the sum of its proper divisors (1).

142311546647 is an equidigital number, since it uses as much as digits as its factorization.

142311546647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 44.

Adding to 142311546647 its reverse (746645113241), we get a palindrome (888956659888).

The spelling of 142311546647 in words is "one hundred forty-two billion, three hundred eleven million, five hundred forty-six thousand, six hundred forty-seven".