143402 has 8 divisors (see below), whose sum is σ = 245856. Its totient is φ = 61452.

The previous prime is 143401. The next prime is 143413. The reversal of 143402 is 204341.

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

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 10243 = 143402 / (1 + 4 + 3 + 4 + 0 + 2).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 143402.

It is not an unprimeable number, because it can be changed into a prime (143401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5108 + ... + 5135.

It is an arithmetic number, because the mean of its divisors is an integer number (30732).

2¹⁴³⁴⁰² is an apocalyptic number.

143402 is a deficient number, since it is larger than the sum of its proper divisors (102454).

143402 is a wasteful number, since it uses less digits than its factorization.

143402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10252.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 143402 is about 378.6845653047. The cubic root of 143402 is about 52.3421715051.

Adding to 143402 its reverse (204341), we get a palindrome (347743).

It can be divided in two parts, 14340 and 2, that multiplied together give a triangular number (28680 = T₂₃₉).

The spelling of 143402 in words is "one hundred forty-three thousand, four hundred two", and thus it is an iban number.