142635135745 has 4 divisors (see below), whose sum is σ = 171162162900. Its totient is φ = 114108108592.

The previous prime is 142635135739. The next prime is 142635135779. The reversal of 142635135745 is 547531536241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 110483776881 + 32151358864 = 332391^2 + 179308^2 .

It is a cyclic number.

It is not a de Polignac number, because 142635135745 - 2⁹ = 142635135233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142635135695 and 142635135704.

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, 14263513570 + ... + 14263513579.

It is an arithmetic number, because the mean of its divisors is an integer number (42790540725).

Almost surely, 2^142635135745 is an apocalyptic number.

It is an amenable number.

142635135745 is a deficient number, since it is larger than the sum of its proper divisors (28527027155).

142635135745 is an equidigital number, since it uses as much as digits as its factorization.

142635135745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28527027154.

The product of its digits is 1512000, while the sum is 46.

The spelling of 142635135745 in words is "one hundred forty-two billion, six hundred thirty-five million, one hundred thirty-five thousand, seven hundred forty-five".