142453222231 has 2 divisors, whose sum is σ = 142453222232. Its totient is φ = 142453222230.

The previous prime is 142453222217. The next prime is 142453222259. The reversal of 142453222231 is 132222354241.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (132222354241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142453222231 - 2²⁹ = 141916351319 is a prime.

It is a super-2 number, since 2×142453222231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142453222193 and 142453222202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142453222271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71226611115 + 71226611116.

It is an arithmetic number, because the mean of its divisors is an integer number (71226611116).

Almost surely, 2^142453222231 is an apocalyptic number.

142453222231 is a deficient number, since it is larger than the sum of its proper divisors (1).

142453222231 is an equidigital number, since it uses as much as digits as its factorization.

142453222231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 31.

Adding to 142453222231 its reverse (132222354241), we get a palindrome (274675576472).

The spelling of 142453222231 in words is "one hundred forty-two billion, four hundred fifty-three million, two hundred twenty-two thousand, two hundred thirty-one".