142400232000424 has 8 divisors (see below), whose sum is σ = 267000435000810. Its totient is φ = 71200116000208.

The previous prime is 142400232000409. The next prime is 142400232000427. The reversal of 142400232000424 is 424000232004241.

It can be written as a sum of positive squares in only one way, i.e., 142003687240900 + 396544759524 = 11916530^2 + 629718^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 142400232000392 and 142400232000401.

It is not an unprimeable number, because it can be changed into a prime (142400232000427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8900014500019 + ... + 8900014500034.

Almost surely, 2^{142400232000424} is an apocalyptic number.

It is an amenable number.

142400232000424 is a deficient number, since it is larger than the sum of its proper divisors (124600203000386).

142400232000424 is a wasteful number, since it uses less digits than its factorization.

142400232000424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17800029000059 (or 17800029000055 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 142400232000424 its reverse (424000232004241), we get a palindrome (566400464004665).

The spelling of 142400232000424 in words is "one hundred forty-two trillion, four hundred billion, two hundred thirty-two million, four hundred twenty-four", and thus it is an aban number.