142144220243 has 8 divisors (see below), whose sum is σ = 143177156688. Its totient is φ = 141112898784.

The previous prime is 142144220213. The next prime is 142144220279. The reversal of 142144220243 is 342022441241.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142144220243 - 2²⁴ = 142127443027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142144220203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226796 + ... + 579417.

It is an arithmetic number, because the mean of its divisors is an integer number (17897144586).

Almost surely, 2^142144220243 is an apocalyptic number.

142144220243 is a deficient number, since it is larger than the sum of its proper divisors (1032936445).

142144220243 is a wasteful number, since it uses less digits than its factorization.

142144220243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807493.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 142144220243 its reverse (342022441241), we get a palindrome (484166661484).

The spelling of 142144220243 in words is "one hundred forty-two billion, one hundred forty-four million, two hundred twenty thousand, two hundred forty-three".