142434421412 has 6 divisors (see below), whose sum is σ = 249260237478. Its totient is φ = 71217210704.

The previous prime is 142434421397. The next prime is 142434421421. The reversal of 142434421412 is 214124434241.

It can be written as a sum of positive squares in only one way, i.e., 87951392356 + 54483029056 = 296566^2 + 233416^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17804302673 + ... + 17804302680.

It is an arithmetic number, because the mean of its divisors is an integer number (41543372913).

Almost surely, 2^142434421412 is an apocalyptic number.

It is an amenable number.

142434421412 is a deficient number, since it is larger than the sum of its proper divisors (106825816066).

142434421412 is a wasteful number, since it uses less digits than its factorization.

142434421412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35608605357 (or 35608605355 counting only the distinct ones).

The product of its digits is 24576, while the sum is 32.

Adding to 142434421412 its reverse (214124434241), we get a palindrome (356558855653).

The spelling of 142434421412 in words is "one hundred forty-two billion, four hundred thirty-four million, four hundred twenty-one thousand, four hundred twelve".