142450142434 has 8 divisors (see below), whose sum is σ = 214446605148. Its totient is φ = 70967940720.

The previous prime is 142450142323. The next prime is 142450142437. The reversal of 142450142434 is 434241054241.

It can be written as a sum of positive squares in 2 ways, for example, as 141763545225 + 686597209 = 376515^2 + 26203^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 142450142434.

It is not an unprimeable number, because it can be changed into a prime (142450142437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128564557 + ... + 128565664.

Almost surely, 2^142450142434 is an apocalyptic number.

142450142434 is a deficient number, since it is larger than the sum of its proper divisors (71996462714).

142450142434 is a wasteful number, since it uses less digits than its factorization.

142450142434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257130500.

The product of its (nonzero) digits is 61440, while the sum is 34.

Adding to 142450142434 its reverse (434241054241), we get a palindrome (576691196675).

The spelling of 142450142434 in words is "one hundred forty-two billion, four hundred fifty million, one hundred forty-two thousand, four hundred thirty-four".