142224023432 has 8 divisors (see below), whose sum is σ = 266670043950. Its totient is φ = 71112011712.

The previous prime is 142224023429. The next prime is 142224023479. The reversal of 142224023432 is 234320422241.

It can be written as a sum of positive squares in only one way, i.e., 123759018436 + 18465004996 = 351794^2 + 135886^2 .

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 = 142224023395 and 142224023404.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8889001457 + ... + 8889001472.

Almost surely, 2^142224023432 is an apocalyptic number.

It is an amenable number.

142224023432 is a deficient number, since it is larger than the sum of its proper divisors (124446020518).

142224023432 is a wasteful number, since it uses less digits than its factorization.

142224023432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17778002935 (or 17778002931 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 142224023432 its reverse (234320422241), we get a palindrome (376544445673).

The spelling of 142224023432 in words is "one hundred forty-two billion, two hundred twenty-four million, twenty-three thousand, four hundred thirty-two".