143878968 has 24 divisors (see below), whose sum is σ = 389672400. Its totient is φ = 47959632.

The previous prime is 143878957. The next prime is 143878981. The reversal of 143878968 is 869878341.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 999088 + ... + 999231.

It is an arithmetic number, because the mean of its divisors is an integer number (16236350).

Almost surely, 2^143878968 is an apocalyptic number.

143878968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

143878968 is an abundant number, since it is smaller than the sum of its proper divisors (245793432).

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

143878968 is a wasteful number, since it uses less digits than its factorization.

143878968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1998331 (or 1998324 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 143878968 is about 11994.9559398941. The cubic root of 143878968 is about 524.0013888043.

The spelling of 143878968 in words is "one hundred forty-three million, eight hundred seventy-eight thousand, nine hundred sixty-eight".