142663556345 has 4 divisors (see below), whose sum is σ = 171196267620. Its totient is φ = 114130845072.

The previous prime is 142663556339. The next prime is 142663556363. The reversal of 142663556345 is 543655366241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 543655366241 = 13 ⋅41819643557.

It can be written as a sum of positive squares in 2 ways, for example, as 55626165904 + 87037390441 = 235852^2 + 295021^2 .

It is a cyclic number.

It is not a de Polignac number, because 142663556345 - 2¹⁸ = 142663294201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142663556293 and 142663556302.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14266355630 + ... + 14266355639.

It is an arithmetic number, because the mean of its divisors is an integer number (42799066905).

Almost surely, 2^142663556345 is an apocalyptic number.

It is an amenable number.

142663556345 is a deficient number, since it is larger than the sum of its proper divisors (28532711275).

142663556345 is an equidigital number, since it uses as much as digits as its factorization.

142663556345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28532711274.

The product of its digits is 7776000, while the sum is 50.

The spelling of 142663556345 in words is "one hundred forty-two billion, six hundred sixty-three million, five hundred fifty-six thousand, three hundred forty-five".