142000443020441 has 4 divisors (see below), whose sum is σ = 142000492041252. Its totient is φ = 142000393999632.

The previous prime is 142000443020287. The next prime is 142000443020453. The reversal of 142000443020441 is 144020344000241.

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 65225345640841 + 76775097379600 = 8076221^2 + 8762140^2 .

It is a cyclic number.

It is not a de Polignac number, because 142000443020441 - 2³⁸ = 141725565113497 is a prime.

It is a super-2 number, since 2×142000443020441² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142000443020141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19872806 + ... + 26056271.

It is an arithmetic number, because the mean of its divisors is an integer number (35500123010313).

Almost surely, 2^{142000443020441} is an apocalyptic number.

It is an amenable number.

142000443020441 is a deficient number, since it is larger than the sum of its proper divisors (49020811).

142000443020441 is an equidigital number, since it uses as much as digits as its factorization.

142000443020441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49020810.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 142000443020441 its reverse (144020344000241), we get a palindrome (286020787020682).

The spelling of 142000443020441 in words is "one hundred forty-two trillion, four hundred forty-three million, twenty thousand, four hundred forty-one".