142316506 has 8 divisors (see below), whose sum is σ = 214246260. Its totient is φ = 70901088.

The previous prime is 142316491. The next prime is 142316513. The reversal of 142316506 is 605613241.

142316506 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 141967225 + 349281 = 11915^2 + 591^2 .

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

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, 127891 + ... + 128998.

Almost surely, 2^142316506 is an apocalyptic number.

142316506 is a deficient number, since it is larger than the sum of its proper divisors (71929754).

142316506 is a wasteful number, since it uses less digits than its factorization.

142316506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257168.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 142316506 is about 11929.6481926333. The cubic root of 142316506 is about 522.0976730859.

Adding to 142316506 its reverse (605613241), we get a palindrome (747929747).

The spelling of 142316506 in words is "one hundred forty-two million, three hundred sixteen thousand, five hundred six".