143263 has 2 divisors, whose sum is σ = 143264. Its totient is φ = 143262.

The previous prime is 143261. The next prime is 143281. The reversal of 143263 is 362341.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 143263 - 2¹ = 143261 is a prime.

Together with 143261, it forms a pair of twin primes.

It is an Ulam number.

It is the 379-th Hogben number.

It is a self number, because there is not a number n which added to its sum of digits gives 143263.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143261) by changing a digit.

It is a nontrivial repunit in base 378.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71631 + 71632.

It is an arithmetic number, because the mean of its divisors is an integer number (71632).

2¹⁴³²⁶³ is an apocalyptic number.

143263 is a deficient number, since it is larger than the sum of its proper divisors (1).

143263 is an equidigital number, since it uses as much as digits as its factorization.

143263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 19.

The square root of 143263 is about 378.5009907517. The cubic root of 143263 is about 52.3252542286.

It can be divided in two parts, 143 and 263, that added together give a triangular number (406 = T₂₈).

The spelling of 143263 in words is "one hundred forty-three thousand, two hundred sixty-three".