143142040242 has 48 divisors (see below), whose sum is σ = 321780356352. Its totient is φ = 47691380880.

The previous prime is 143142040231. The next prime is 143142040253. The reversal of 143142040242 is 242040241341.

143142040242 is a `hidden beast` number, since 1 + 431 + 4 + 204 + 0 + 24 + 2 = 666.

143142040242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (143142040231) and next prime (143142040253).

It is a Harshad number since it is a multiple of its sum of digits (27).

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 23 ways as a sum of consecutive naturals, for example, 971743 + ... + 1109309.

It is an arithmetic number, because the mean of its divisors is an integer number (6703757424).

Almost surely, 2^143142040242 is an apocalyptic number.

143142040242 is an abundant number, since it is smaller than the sum of its proper divisors (178638316110).

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

143142040242 is a wasteful number, since it uses less digits than its factorization.

143142040242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139725 (or 139713 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 143142040242 its reverse (242040241341), we get a palindrome (385182281583).

The spelling of 143142040242 in words is "one hundred forty-three billion, one hundred forty-two million, forty thousand, two hundred forty-two".