143225 has 12 divisors (see below), whose sum is σ = 188604. Its totient is φ = 107520.

The previous prime is 143197. The next prime is 143239. The reversal of 143225 is 522341.

It can be written as a sum of positive squares in 6 ways, for example, as 1849 + 141376 = 43^2 + 376^2 .

It is not a de Polignac number, because 143225 - 2⁸ = 142969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 143225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 257 + ... + 593.

It is an arithmetic number, because the mean of its divisors is an integer number (15717).

2¹⁴³²²⁵ is an apocalyptic number.

It is an amenable number.

143225 is a deficient number, since it is larger than the sum of its proper divisors (45379).

143225 is a wasteful number, since it uses less digits than its factorization.

143225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364 (or 359 counting only the distinct ones).

The product of its digits is 240, while the sum is 17.

The square root of 143225 is about 378.4507894033. The cubic root of 143225 is about 52.3206274571.

Adding to 143225 its reverse (522341), we get a palindrome (665566).

It can be divided in two parts, 14 and 3225, that multiplied together give a triangular number (45150 = T₃₀₀).

The spelling of 143225 in words is "one hundred forty-three thousand, two hundred twenty-five".