143265 has 8 divisors (see below), whose sum is σ = 229248. Its totient is φ = 76400.

The previous prime is 143263. The next prime is 143281. The reversal of 143265 is 562341.

It is a happy number.

143265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 143265 - 2¹ = 143263 is a prime.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 143265.

It is not an unprimeable number, because it can be changed into a prime (143261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4761 + ... + 4790.

It is an arithmetic number, because the mean of its divisors is an integer number (28656).

2¹⁴³²⁶⁵ is an apocalyptic number.

143265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

143265 is a deficient number, since it is larger than the sum of its proper divisors (85983).

143265 is an equidigital number, since it uses as much as digits as its factorization.

143265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9559.

The product of its digits is 720, while the sum is 21.

The square root of 143265 is about 378.5036327435. The cubic root of 143265 is about 52.3254977202.

The spelling of 143265 in words is "one hundred forty-three thousand, two hundred sixty-five".