142250522443 has 4 divisors (see below), whose sum is σ = 142559092368. Its totient is φ = 141941952520.

The previous prime is 142250522423. The next prime is 142250522459. The reversal of 142250522443 is 344225052241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142250522443 - 2²⁵ = 142216968011 is a prime.

It is a super-2 number, since 2×142250522443² (a number of 23 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 = 142250522399 and 142250522408.

It is not an unprimeable number, because it can be changed into a prime (142250522423) 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, 154284271 + ... + 154285192.

It is an arithmetic number, because the mean of its divisors is an integer number (35639773092).

Almost surely, 2^142250522443 is an apocalyptic number.

142250522443 is a deficient number, since it is larger than the sum of its proper divisors (308569925).

142250522443 is an equidigital number, since it uses as much as digits as its factorization.

142250522443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308569924.

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 142250522443 its reverse (344225052241), we get a palindrome (486475574684).

The spelling of 142250522443 in words is "one hundred forty-two billion, two hundred fifty million, five hundred twenty-two thousand, four hundred forty-three".