142144302340 has 48 divisors (see below), whose sum is σ = 301339081008. Its totient is φ = 56318173184.

The previous prime is 142144302331. The next prime is 142144302341. The reversal of 142144302340 is 43203441241.

It can be written as a sum of positive squares in 8 ways, for example, as 27429321924 + 114714980416 = 165618^2 + 338696^2 .

It is a junction number, because it is equal to n+sod(n) for n = 142144302299 and 142144302308.

It is not an unprimeable number, because it can be changed into a prime (142144302341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3625884 + ... + 3664876.

It is an arithmetic number, because the mean of its divisors is an integer number (6277897521).

Almost surely, 2^142144302340 is an apocalyptic number.

142144302340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142144302340 is an abundant number, since it is smaller than the sum of its proper divisors (159194778668).

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

142144302340 is a wasteful number, since it uses less digits than its factorization.

142144302340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40728 (or 40726 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 142144302340 its reverse (43203441241), we get a palindrome (185347743581).

The spelling of 142144302340 in words is "one hundred forty-two billion, one hundred forty-four million, three hundred two thousand, three hundred forty".