253522142142143 has 12 divisors (see below), whose sum is σ = 296179235529840. Its totient is φ = 216372055086432.

The previous prime is 253522142142131. The next prime is 253522142142271. The reversal of 253522142142143 is 341241241225352.

It is a happy number.

It is not a de Polignac number, because 253522142142143 - 2⁶ = 253522142142079 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 253522142142143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253522142142043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11102823923 + ... + 11102846756.

It is an arithmetic number, because the mean of its divisors is an integer number (24681602960820).

Almost surely, 2^{253522142142143} is an apocalyptic number.

253522142142143 is a deficient number, since it is larger than the sum of its proper divisors (42657093387697).

253522142142143 is a wasteful number, since it uses less digits than its factorization.

253522142142143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22205670926 (or 22205670919 counting only the distinct ones).

The product of its digits is 460800, while the sum is 41.

Adding to 253522142142143 its reverse (341241241225352), we get a palindrome (594763383367495).

The spelling of 253522142142143 in words is "two hundred fifty-three trillion, five hundred twenty-two billion, one hundred forty-two million, one hundred forty-two thousand, one hundred forty-three".