142022143453 has 4 divisors (see below), whose sum is σ = 142064028928. Its totient is φ = 141980257980.

The previous prime is 142022143343. The next prime is 142022143481. The reversal of 142022143453 is 354341220241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 354341220241 = 131 ⋅2704894811.

It is a cyclic number.

It is not a de Polignac number, because 142022143453 - 2¹⁷ = 142022012381 is a prime.

It is a super-3 number, since 3×142022143453³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142022143553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20937651 + ... + 20944432.

It is an arithmetic number, because the mean of its divisors is an integer number (35516007232).

Almost surely, 2^142022143453 is an apocalyptic number.

It is an amenable number.

142022143453 is a deficient number, since it is larger than the sum of its proper divisors (41885475).

142022143453 is an equidigital number, since it uses as much as digits as its factorization.

142022143453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41885474.

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

Adding to 142022143453 its reverse (354341220241), we get a palindrome (496363363694).

The spelling of 142022143453 in words is "one hundred forty-two billion, twenty-two million, one hundred forty-three thousand, four hundred fifty-three".