142302224442005 has 4 divisors (see below), whose sum is σ = 170762669330412. Its totient is φ = 113841779553600.

The previous prime is 142302224441999. The next prime is 142302224442031. The reversal of 142302224442005 is 500244422203241.

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 104659079011204 + 37643145430801 = 10230302^2 + 6135401^2 .

It is not a de Polignac number, because 142302224442005 - 2¹² = 142302224437909 is a prime.

It is a super-2 number, since 2×142302224442005² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 14230222444196 + ... + 14230222444205.

It is an arithmetic number, because the mean of its divisors is an integer number (42690667332603).

Almost surely, 2^{142302224442005} is an apocalyptic number.

It is an amenable number.

142302224442005 is a deficient number, since it is larger than the sum of its proper divisors (28460444888407).

142302224442005 is an equidigital number, since it uses as much as digits as its factorization.

142302224442005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28460444888406.

The product of its (nonzero) digits is 122880, while the sum is 35.

Adding to 142302224442005 its reverse (500244422203241), we get a palindrome (642546646645246).

The spelling of 142302224442005 in words is "one hundred forty-two trillion, three hundred two billion, two hundred twenty-four million, four hundred forty-two thousand, five".