142324221013605 has 48 divisors (see below), whose sum is σ = 249300585331200. Its totient is φ = 75105611856000.

The previous prime is 142324221013589. The next prime is 142324221013607. The reversal of 142324221013605 is 506310122423241.

It is a happy number.

142324221013605 is a `hidden beast` number, since 1 + 4 + 2 + 3 + 2 + 4 + 22 + 10 + 13 + 605 = 666.

It is not a de Polignac number, because 142324221013605 - 2⁴ = 142324221013589 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142324221013605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142324221013607) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3268405 + ... + 17185194.

It is an arithmetic number, because the mean of its divisors is an integer number (5193762194400).

Almost surely, 2^{142324221013605} is an apocalyptic number.

142324221013605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142324221013605 is a deficient number, since it is larger than the sum of its proper divisors (106976364317595).

142324221013605 is a wasteful number, since it uses less digits than its factorization.

142324221013605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20455242 (or 20455239 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

Adding to 142324221013605 its reverse (506310122423241), we get a palindrome (648634343436846).

The spelling of 142324221013605 in words is "one hundred forty-two trillion, three hundred twenty-four billion, two hundred twenty-one million, thirteen thousand, six hundred five".