142124233205 has 4 divisors (see below), whose sum is σ = 170549079852. Its totient is φ = 113699386560.

The previous prime is 142124233189. The next prime is 142124233249. The reversal of 142124233205 is 502332421241.

142124233205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 106426665361 + 35697567844 = 326231^2 + 188938^2 .

It is not a de Polignac number, because 142124233205 - 2⁴ = 142124233189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 14212423316 + ... + 14212423325.

It is an arithmetic number, because the mean of its divisors is an integer number (42637269963).

Almost surely, 2^142124233205 is an apocalyptic number.

It is an amenable number.

142124233205 is a deficient number, since it is larger than the sum of its proper divisors (28424846647).

142124233205 is an equidigital number, since it uses as much as digits as its factorization.

142124233205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28424846646.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 142124233205 its reverse (502332421241), we get a palindrome (644456654446).

The spelling of 142124233205 in words is "one hundred forty-two billion, one hundred twenty-four million, two hundred thirty-three thousand, two hundred five".