142151134220441 has 4 divisors (see below), whose sum is σ = 142151358165300. Its totient is φ = 142150910275584.

The previous prime is 142151134220437. The next prime is 142151134220519. The reversal of 142151134220441 is 144022431151241.

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 99026958610441 + 43124175610000 = 9951229^2 + 6566900^2 .

It is a cyclic number.

It is not a de Polignac number, because 142151134220441 - 2² = 142151134220437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142151134220141) 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, 111017576 + ... + 112290713.

It is an arithmetic number, because the mean of its divisors is an integer number (35537839541325).

Almost surely, 2^{142151134220441} is an apocalyptic number.

It is an amenable number.

142151134220441 is a deficient number, since it is larger than the sum of its proper divisors (223944859).

142151134220441 is an equidigital number, since it uses as much as digits as its factorization.

142151134220441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223944858.

The product of its (nonzero) digits is 30720, while the sum is 35.

Adding to 142151134220441 its reverse (144022431151241), we get a palindrome (286173565371682).

The spelling of 142151134220441 in words is "one hundred forty-two trillion, one hundred fifty-one billion, one hundred thirty-four million, two hundred twenty thousand, four hundred forty-one".