142423440104 has 24 divisors (see below), whose sum is σ = 293527649730. Its totient is φ = 64737926880.

The previous prime is 142423440091. The next prime is 142423440119. The reversal of 142423440104 is 401044324241.

It can be written as a sum of positive squares in only one way, i.e., 125317416004 + 17106024100 = 354002^2 + 130790^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73564859 + ... + 73566794.

Almost surely, 2^142423440104 is an apocalyptic number.

It is an amenable number.

142423440104 is an abundant number, since it is smaller than the sum of its proper divisors (151104209626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142423440104 is a wasteful number, since it uses less digits than its factorization.

142423440104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147131681 (or 147131666 counting only the distinct ones).

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

Adding to 142423440104 its reverse (401044324241), we get a palindrome (543467764345).

The spelling of 142423440104 in words is "one hundred forty-two billion, four hundred twenty-three million, four hundred forty thousand, one hundred four".