142044140505 has 32 divisors (see below), whose sum is σ = 242260531200. Its totient is φ = 70861182912.

The previous prime is 142044140501. The next prime is 142044140587. The reversal of 142044140505 is 505041440241.

142044140505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142044140505 - 2² = 142044140501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142044140501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3131919 + ... + 3176948.

It is an arithmetic number, because the mean of its divisors is an integer number (7570641600).

Almost surely, 2^142044140505 is an apocalyptic number.

142044140505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142044140505 is a deficient number, since it is larger than the sum of its proper divisors (100216390695).

142044140505 is a wasteful number, since it uses less digits than its factorization.

142044140505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6308973.

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 142044140505 its reverse (505041440241), we get a palindrome (647085580746).

The spelling of 142044140505 in words is "one hundred forty-two billion, forty-four million, one hundred forty thousand, five hundred five".