142505473306 has 16 divisors (see below), whose sum is σ = 244373748480. Its totient is φ = 61054111440.

The previous prime is 142505473301. The next prime is 142505473333. The reversal of 142505473306 is 603374505241.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (142505473301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1593490 + ... + 1680541.

It is an arithmetic number, because the mean of its divisors is an integer number (15273359280).

Almost surely, 2^142505473306 is an apocalyptic number.

142505473306 is a deficient number, since it is larger than the sum of its proper divisors (101868275174).

142505473306 is a wasteful number, since it uses less digits than its factorization.

142505473306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3277149.

The product of its (nonzero) digits is 302400, while the sum is 40.

Adding to 142505473306 its reverse (603374505241), we get a palindrome (745879978547).

The spelling of 142505473306 in words is "one hundred forty-two billion, five hundred five million, four hundred seventy-three thousand, three hundred six".