143914686 has 8 divisors (see below), whose sum is σ = 287829384. Its totient is φ = 47971560.

The previous prime is 143914669. The next prime is 143914697. The reversal of 143914686 is 686419341.

It is a sphenic number, since it is the product of 3 distinct primes.

143914686 is an admirable number.

It is a super-2 number, since 2×143914686² = 41422873692957192, which contains 22 as substring.

It is a congruent number.

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, 11992885 + ... + 11992896.

It is an arithmetic number, because the mean of its divisors is an integer number (35978673).

Almost surely, 2^143914686 is an apocalyptic number.

143914686 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

143914686 is a wasteful number, since it uses less digits than its factorization.

143914686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23985786.

The product of its digits is 124416, while the sum is 42.

The square root of 143914686 is about 11996.4447233337. Note that the first 3 decimals coincide. The cubic root of 143914686 is about 524.0447463876.

The spelling of 143914686 in words is "one hundred forty-three million, nine hundred fourteen thousand, six hundred eighty-six".