143871042 has 32 divisors (see below), whose sum is σ = 335849472. Its totient is φ = 40230864.

The previous prime is 143870999. The next prime is 143871047. The reversal of 143871042 is 240178341.

It is not an unprimeable number, because it can be changed into a prime (143871047) 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, 34468 + ... + 38415.

It is an arithmetic number, because the mean of its divisors is an integer number (10495296).

Almost surely, 2^143871042 is an apocalyptic number.

143871042 is an abundant number, since it is smaller than the sum of its proper divisors (191978430).

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

143871042 is a wasteful number, since it uses less digits than its factorization.

143871042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72942.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 143871042 is about 11994.6255464687. The cubic root of 143871042 is about 523.9917665703.

The spelling of 143871042 in words is "one hundred forty-three million, eight hundred seventy-one thousand, forty-two".