142431215144240 has 40 divisors (see below), whose sum is σ = 361257354777168. Its totient is φ = 51793169143040.

The previous prime is 142431215144221. The next prime is 142431215144269. The reversal of 142431215144240 is 42441512134241.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 142431215144194 and 142431215144203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80926825907 + ... + 80926827666.

Almost surely, 2^{142431215144240} is an apocalyptic number.

142431215144240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142431215144240 is an abundant number, since it is smaller than the sum of its proper divisors (218826139632928).

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

142431215144240 is a wasteful number, since it uses less digits than its factorization.

142431215144240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161853653597 (or 161853653591 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 38.

Adding to 142431215144240 its reverse (42441512134241), we get a palindrome (184872727278481).

The spelling of 142431215144240 in words is "one hundred forty-two trillion, four hundred thirty-one billion, two hundred fifteen million, one hundred forty-four thousand, two hundred forty".