142240313423453 has 8 divisors (see below), whose sum is σ = 163801276964160. Its totient is φ = 120989579574240.

The previous prime is 142240313423449. The next prime is 142240313423491. The reversal of 142240313423453 is 354324313042241.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142240313423453 - 2² = 142240313423449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142240313423453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142240313423353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77557421888 + ... + 77557423721.

It is an arithmetic number, because the mean of its divisors is an integer number (20475159620520).

Almost surely, 2^{142240313423453} is an apocalyptic number.

It is an amenable number.

142240313423453 is a deficient number, since it is larger than the sum of its proper divisors (21560963540707).

142240313423453 is a wasteful number, since it uses less digits than its factorization.

142240313423453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155114845747.

The product of its (nonzero) digits is 829440, while the sum is 41.

Adding to 142240313423453 its reverse (354324313042241), we get a palindrome (496564626465694).

The spelling of 142240313423453 in words is "one hundred forty-two trillion, two hundred forty billion, three hundred thirteen million, four hundred twenty-three thousand, four hundred fifty-three".