143473 has 4 divisors (see below), whose sum is σ = 156528. Its totient is φ = 130420.

The previous prime is 143467. The next prime is 143477. The reversal of 143473 is 374341.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 374341 = 11 ⋅34031.

It is a cyclic number.

It is not a de Polignac number, because 143473 - 2¹³ = 135281 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (143477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6511 + ... + 6532.

It is an arithmetic number, because the mean of its divisors is an integer number (39132).

2¹⁴³⁴⁷³ is an apocalyptic number.

It is an amenable number.

143473 is a deficient number, since it is larger than the sum of its proper divisors (13055).

143473 is a wasteful number, since it uses less digits than its factorization.

143473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13054.

The product of its digits is 1008, while the sum is 22.

The square root of 143473 is about 378.7782992728. The cubic root of 143473 is about 52.3508084860.

It can be divided in two parts, 143 and 473, that added together give a palindrome (616).

The spelling of 143473 in words is "one hundred forty-three thousand, four hundred seventy-three", and thus it is an iban number.