142443120634 has 16 divisors (see below), whose sum is σ = 230642536320. Its totient is φ = 65775833200.

The previous prime is 142443120577. The next prime is 142443120647. The reversal of 142443120634 is 436021344241.

It is a self number, because there is not a number n which added to its sum of digits gives 142443120634.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53388142 + ... + 53390809.

It is an arithmetic number, because the mean of its divisors is an integer number (14415158520).

Almost surely, 2^142443120634 is an apocalyptic number.

142443120634 is a deficient number, since it is larger than the sum of its proper divisors (88199415686).

142443120634 is a wasteful number, since it uses less digits than its factorization.

142443120634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106779005.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 142443120634 its reverse (436021344241), we get a palindrome (578464464875).

The spelling of 142443120634 in words is "one hundred forty-two billion, four hundred forty-three million, one hundred twenty thousand, six hundred thirty-four".