142115143200321 has 4 divisors (see below), whose sum is σ = 189486857600432. Its totient is φ = 94743428800212.

The previous prime is 142115143200307. The next prime is 142115143200323. The reversal of 142115143200321 is 123002341511241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 142115143200321 - 2²⁵ = 142115109645889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142115143200323) 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, 23685857200051 + ... + 23685857200056.

It is an arithmetic number, because the mean of its divisors is an integer number (47371714400108).

Almost surely, 2^{142115143200321} is an apocalyptic number.

It is an amenable number.

142115143200321 is a deficient number, since it is larger than the sum of its proper divisors (47371714400111).

142115143200321 is an equidigital number, since it uses as much as digits as its factorization.

142115143200321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47371714400110.

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 142115143200321 its reverse (123002341511241), we get a palindrome (265117484711562).

The spelling of 142115143200321 in words is "one hundred forty-two trillion, one hundred fifteen billion, one hundred forty-three million, two hundred thousand, three hundred twenty-one".