142609605079 has 4 divisors (see below), whose sum is σ = 144327793176. Its totient is φ = 140891416984.

The previous prime is 142609605067. The next prime is 142609605169. The reversal of 142609605079 is 970506906241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 970506906241 = 128467 ⋅7554523.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142609605079 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142609605779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 859093924 + ... + 859094089.

It is an arithmetic number, because the mean of its divisors is an integer number (36081948294).

Almost surely, 2^142609605079 is an apocalyptic number.

142609605079 is a deficient number, since it is larger than the sum of its proper divisors (1718188097).

142609605079 is an equidigital number, since it uses as much as digits as its factorization.

142609605079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1718188096.

The product of its (nonzero) digits is 816480, while the sum is 49.

The spelling of 142609605079 in words is "one hundred forty-two billion, six hundred nine million, six hundred five thousand, seventy-nine".