143906 has 16 divisors (see below), whose sum is σ = 260160. Its totient is φ = 58320.

The previous prime is 143881. The next prime is 143909. The reversal of 143906 is 609341.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 143906.

It is not an unprimeable number, because it can be changed into a prime (143909) by changing a digit.

143906 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5 + ... + 536.

It is an arithmetic number, because the mean of its divisors is an integer number (16260).

2¹⁴³⁹⁰⁶ is an apocalyptic number.

143906 is a deficient number, since it is larger than the sum of its proper divisors (116254).

143906 is a wasteful number, since it uses less digits than its factorization.

143906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 143906 is about 379.3494431260. The cubic root of 143906 is about 52.4034203233.

The spelling of 143906 in words is "one hundred forty-three thousand, nine hundred six".