142042133241145 has 8 divisors (see below), whose sum is σ = 175057331778504. Its totient is φ = 110562525333504.

The previous prime is 142042133241143. The next prime is 142042133241161. The reversal of 142042133241145 is 541142331240241.

It can be written as a sum of positive squares in 4 ways, for example, as 91603217895849 + 50438915345296 = 9570957^2 + 7102036^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 142042133241145 - 2¹ = 142042133241143 is a prime.

It is a super-2 number, since 2×142042133241145² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142042133241143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383897657224 + ... + 383897657593.

It is an arithmetic number, because the mean of its divisors is an integer number (21882166472313).

Almost surely, 2^{142042133241145} is an apocalyptic number.

It is an amenable number.

142042133241145 is a deficient number, since it is larger than the sum of its proper divisors (33015198537359).

142042133241145 is an equidigital number, since it uses as much as digits as its factorization.

142042133241145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767795314859.

The product of its (nonzero) digits is 92160, while the sum is 37.

Adding to 142042133241145 its reverse (541142331240241), we get a palindrome (683184464481386).

The spelling of 142042133241145 in words is "one hundred forty-two trillion, forty-two billion, one hundred thirty-three million, two hundred forty-one thousand, one hundred forty-five".