15422144514142 has 8 divisors (see below), whose sum is σ = 24139008804816. Its totient is φ = 7375808245872.

The previous prime is 15422144514109. The next prime is 15422144514149. The reversal of 15422144514142 is 24141544122451.

15422144514142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 15422144514095 and 15422144514104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15422144514149) 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, 167632005543 + ... + 167632005634.

It is an arithmetic number, because the mean of its divisors is an integer number (3017376100602).

Almost surely, 2^{15422144514142} is an apocalyptic number.

15422144514142 is a deficient number, since it is larger than the sum of its proper divisors (8716864290674).

15422144514142 is a wasteful number, since it uses less digits than its factorization.

15422144514142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335264011202.

The product of its digits is 204800, while the sum is 40.

Adding to 15422144514142 its reverse (24141544122451), we get a palindrome (39563688636593).

The spelling of 15422144514142 in words is "fifteen trillion, four hundred twenty-two billion, one hundred forty-four million, five hundred fourteen thousand, one hundred forty-two".