143687396 has 12 divisors (see below), whose sum is σ = 255206448. Its totient is φ = 70771272.

The previous prime is 143687389. The next prime is 143687407. The reversal of 143687396 is 693786341.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 143687396.

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 3 ways as a sum of consecutive naturals, for example, 267806 + ... + 268341.

It is an arithmetic number, because the mean of its divisors is an integer number (21267204).

Almost surely, 2^143687396 is an apocalyptic number.

It is an amenable number.

143687396 is a deficient number, since it is larger than the sum of its proper divisors (111519052).

143687396 is a wasteful number, since it uses less digits than its factorization.

143687396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536218 (or 536216 counting only the distinct ones).

The product of its digits is 653184, while the sum is 47.

The square root of 143687396 is about 11986.9677566931. The cubic root of 143687396 is about 523.7687196807.

The spelling of 143687396 in words is "one hundred forty-three million, six hundred eighty-seven thousand, three hundred ninety-six".