142543250240 has 56 divisors (see below), whose sum is σ = 347709954312. Its totient is φ = 55626629120.

The previous prime is 142543250221. The next prime is 142543250257. The reversal of 142543250240 is 42052345241.

It can be written as a sum of positive squares in 4 ways, for example, as 24020040256 + 118523209984 = 154984^2 + 344272^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 142543250197 and 142543250206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5419169 + ... + 5445408.

It is an arithmetic number, because the mean of its divisors is an integer number (6209106327).

Almost surely, 2^142543250240 is an apocalyptic number.

142543250240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142543250240 is an abundant number, since it is smaller than the sum of its proper divisors (205166704072).

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

142543250240 is a wasteful number, since it uses less digits than its factorization.

142543250240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10864635 (or 10864625 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 142543250240 its reverse (42052345241), we get a palindrome (184595595481).

The spelling of 142543250240 in words is "one hundred forty-two billion, five hundred forty-three million, two hundred fifty thousand, two hundred forty".