142320440122232 has 16 divisors (see below), whose sum is σ = 267793761011640. Its totient is φ = 70908770519136.

The previous prime is 142320440122199. The next prime is 142320440122277. The reversal of 142320440122232 is 232221044023241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31431190343 + ... + 31431194870.

Almost surely, 2^{142320440122232} is an apocalyptic number.

It is an amenable number.

142320440122232 is a deficient number, since it is larger than the sum of its proper divisors (125473320889408).

142320440122232 is a wasteful number, since it uses less digits than its factorization.

142320440122232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62862385502 (or 62862385498 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 142320440122232 its reverse (232221044023241), we get a palindrome (374541484145473).

The spelling of 142320440122232 in words is "one hundred forty-two trillion, three hundred twenty billion, four hundred forty million, one hundred twenty-two thousand, two hundred thirty-two".