143686341 has 24 divisors (see below), whose sum is σ = 220540320. Its totient is φ = 89889696.

The previous prime is 143686331. The next prime is 143686357.

It is a happy number.

143686341 is a `hidden beast` number, since 14 + 3 + 6 + 8 + 634 + 1 = 666.

143686341 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 143686341 - 2¹⁹ = 143162053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143686296 and 143686305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143686331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14371 + ... + 22223.

It is an arithmetic number, because the mean of its divisors is an integer number (9189180).

Almost surely, 2^143686341 is an apocalyptic number.

It is an amenable number.

143686341 is a deficient number, since it is larger than the sum of its proper divisors (76853979).

143686341 is a wasteful number, since it uses less digits than its factorization.

143686341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7985 (or 7982 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 143686341 is about 11986.9237504874. The cubic root of 143686341 is about 523.7674377837.

The spelling of 143686341 in words is "one hundred forty-three million, six hundred eighty-six thousand, three hundred forty-one".