143902 has 16 divisors (see below), whose sum is σ = 244224. Its totient is φ = 63000.

The previous prime is 143881. The next prime is 143909. The reversal of 143902 is 209341.

It is a self number, because there is not a number n which added to its sum of digits gives 143902.

It is a congruent number.

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

143902 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, 577 + ... + 787.

It is an arithmetic number, because the mean of its divisors is an integer number (15264).

2¹⁴³⁹⁰² is an apocalyptic number.

143902 is a deficient number, since it is larger than the sum of its proper divisors (100322).

143902 is a wasteful number, since it uses less digits than its factorization.

143902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 143902 is about 379.3441709055. The cubic root of 143902 is about 52.4029347850.

It can be divided in two parts, 14 and 3902, that added together give a triangular number (3916 = T₈₈).

The spelling of 143902 in words is "one hundred forty-three thousand, nine hundred two".