142422041324245 has 4 divisors (see below), whose sum is σ = 170906449589100. Its totient is φ = 113937633059392.

The previous prime is 142422041324243. The next prime is 142422041324309. The reversal of 142422041324245 is 542423140224241.

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 35108540160516 + 107313501163729 = 5925246^2 + 10359223^2 .

It is a cyclic number.

It is not a de Polignac number, because 142422041324245 - 2¹ = 142422041324243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142422041324198 and 142422041324207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142422041324243) 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, 14242204132420 + ... + 14242204132429.

It is an arithmetic number, because the mean of its divisors is an integer number (42726612397275).

Almost surely, 2^{142422041324245} is an apocalyptic number.

It is an amenable number.

142422041324245 is a deficient number, since it is larger than the sum of its proper divisors (28484408264855).

142422041324245 is an equidigital number, since it uses as much as digits as its factorization.

142422041324245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28484408264854.

The product of its (nonzero) digits is 491520, while the sum is 40.

Adding to 142422041324245 its reverse (542423140224241), we get a palindrome (684845181548486).

The spelling of 142422041324245 in words is "one hundred forty-two trillion, four hundred twenty-two billion, forty-one million, three hundred twenty-four thousand, two hundred forty-five".