142531344140 has 24 divisors (see below), whose sum is σ = 299373196752. Its totient is φ = 57001609280.

The previous prime is 142531344119. The next prime is 142531344203. The reversal of 142531344140 is 41443135241.

142531344140 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-2 number, since 2×142531344140² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142531344097 and 142531344106.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 575666 + ... + 785145.

It is an arithmetic number, because the mean of its divisors is an integer number (12473883198).

Almost surely, 2^142531344140 is an apocalyptic number.

142531344140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142531344140 is an abundant number, since it is smaller than the sum of its proper divisors (156841852612).

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

142531344140 is a wasteful number, since it uses less digits than its factorization.

142531344140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366057 (or 1366055 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 142531344140 its reverse (41443135241), we get a palindrome (183974479381).

The spelling of 142531344140 in words is "one hundred forty-two billion, five hundred thirty-one million, three hundred forty-four thousand, one hundred forty".