142322440234 has 16 divisors (see below), whose sum is σ = 229928025600. Its totient is φ = 65680838640.

The previous prime is 142322440187. The next prime is 142322440279. The reversal of 142322440234 is 432044223241.

It is a junction number, because it is equal to n+sod(n) for n = 142322440196 and 142322440205.

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, 7179 + ... + 533569.

It is an arithmetic number, because the mean of its divisors is an integer number (14370501600).

Almost surely, 2^142322440234 is an apocalyptic number.

142322440234 is a deficient number, since it is larger than the sum of its proper divisors (87605585366).

142322440234 is a wasteful number, since it uses less digits than its factorization.

142322440234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536805.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 142322440234 its reverse (432044223241), we get a palindrome (574366663475).

The spelling of 142322440234 in words is "one hundred forty-two billion, three hundred twenty-two million, four hundred forty thousand, two hundred thirty-four".