142215323124 has 96 divisors (see below), whose sum is σ = 386614158336. Its totient is φ = 39850110720.

The previous prime is 142215323123. The next prime is 142215323161. The reversal of 142215323124 is 421323512241.

It is a happy number.

142215323124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-5 number, since 5×142215323124⁵ (a number of 57 digits) contains 55555 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142215323091 and 142215323100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142215323123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 880719 + ... + 1029609.

It is an arithmetic number, because the mean of its divisors is an integer number (4027230816).

Almost surely, 2^142215323124 is an apocalyptic number.

142215323124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142215323124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193307079168).

142215323124 is an abundant number, since it is smaller than the sum of its proper divisors (244398835212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142215323124 is a wasteful number, since it uses less digits than its factorization.

142215323124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149125 (or 149123 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

Adding to 142215323124 its reverse (421323512241), we get a palindrome (563538835365).

The spelling of 142215323124 in words is "one hundred forty-two billion, two hundred fifteen million, three hundred twenty-three thousand, one hundred twenty-four".