142543400240 has 20 divisors (see below), whose sum is σ = 331413405744. Its totient is φ = 57017360064.

The previous prime is 142543400213. The next prime is 142543400267. The reversal of 142543400240 is 42004345241.

It is an interprime number because it is at equal distance from previous prime (142543400213) and next prime (142543400267).

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 890896172 + ... + 890896331.

Almost surely, 2^142543400240 is an apocalyptic number.

142543400240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142543400240 is an abundant number, since it is smaller than the sum of its proper divisors (188870005504).

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

142543400240 is a wasteful number, since it uses less digits than its factorization.

142543400240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781792516 (or 1781792510 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 142543400240 its reverse (42004345241), we get a palindrome (184547745481).

The spelling of 142543400240 in words is "one hundred forty-two billion, five hundred forty-three million, four hundred thousand, two hundred forty".