142442503144121 has 8 divisors (see below), whose sum is σ = 142452943535424. Its totient is φ = 142432063131600.

The previous prime is 142442503144069. The next prime is 142442503144133. The reversal of 142442503144121 is 121441305244241.

It is a happy number.

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 142442503144121 - 2³⁴ = 142425323274937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142442503144141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1476146951 + ... + 1476243443.

It is an arithmetic number, because the mean of its divisors is an integer number (17806617941928).

Almost surely, 2^{142442503144121} is an apocalyptic number.

It is an amenable number.

142442503144121 is a deficient number, since it is larger than the sum of its proper divisors (10440391303).

142442503144121 is an equidigital number, since it uses as much as digits as its factorization.

142442503144121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189391.

The product of its (nonzero) digits is 122880, while the sum is 38.

Adding to 142442503144121 its reverse (121441305244241), we get a palindrome (263883808388362).

It can be divided in two parts, 14244250 and 3144121, that added together give a palindrome (17388371).

The spelling of 142442503144121 in words is "one hundred forty-two trillion, four hundred forty-two billion, five hundred three million, one hundred forty-four thousand, one hundred twenty-one".