142320144124 has 12 divisors (see below), whose sum is σ = 249424913304. Its totient is φ = 71055883184.

The previous prime is 142320144103. The next prime is 142320144151. The reversal of 142320144124 is 421441023241.

It is a super-2 number, since 2×142320144124² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142320144092 and 142320144101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26044147 + ... + 26049610.

It is an arithmetic number, because the mean of its divisors is an integer number (20785409442).

Almost surely, 2^142320144124 is an apocalyptic number.

It is an amenable number.

142320144124 is a deficient number, since it is larger than the sum of its proper divisors (107104769180).

142320144124 is a wasteful number, since it uses less digits than its factorization.

142320144124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52094444 (or 52094442 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 142320144124 its reverse (421441023241), we get a palindrome (563761167365).

The spelling of 142320144124 in words is "one hundred forty-two billion, three hundred twenty million, one hundred forty-four thousand, one hundred twenty-four".