142326143265253 has 4 divisors (see below), whose sum is σ = 145797512613228. Its totient is φ = 138854773917280.

The previous prime is 142326143265233. The next prime is 142326143265277. The reversal of 142326143265253 is 352562341623241.

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 31008492949729 + 111317650315524 = 5568527^2 + 10550718^2 .

It is a cyclic number.

It is not a de Polignac number, because 142326143265253 - 2²⁹ = 142325606394341 is a prime.

It is a super-2 number, since 2×142326143265253² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142326143265197 and 142326143265206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142326143265223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1735684673926 + ... + 1735684674007.

It is an arithmetic number, because the mean of its divisors is an integer number (36449378153307).

Almost surely, 2^{142326143265253} is an apocalyptic number.

It is an amenable number.

142326143265253 is a deficient number, since it is larger than the sum of its proper divisors (3471369347975).

142326143265253 is an equidigital number, since it uses as much as digits as its factorization.

142326143265253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3471369347974.

The product of its digits is 6220800, while the sum is 49.

Adding to 142326143265253 its reverse (352562341623241), we get a palindrome (494888484888494).

The spelling of 142326143265253 in words is "one hundred forty-two trillion, three hundred twenty-six billion, one hundred forty-three million, two hundred sixty-five thousand, two hundred fifty-three".