143465 has 8 divisors (see below), whose sum is σ = 196800. Its totient is φ = 98352.

The previous prime is 143461. The next prime is 143467. The reversal of 143465 is 564341.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 143465 - 2² = 143461 is a prime.

It is a nialpdrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 143465.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 143465.

It is not an unprimeable number, because it can be changed into a prime (143461) 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 7 ways as a sum of consecutive naturals, for example, 2015 + ... + 2084.

It is an arithmetic number, because the mean of its divisors is an integer number (24600).

143465 is a Friedman number, since it can be written as 35*(4^6+4-1), using all its digits and the basic arithmetic operations.

2¹⁴³⁴⁶⁵ is an apocalyptic number.

It is an amenable number.

143465 is a deficient number, since it is larger than the sum of its proper divisors (53335).

143465 is an equidigital number, since it uses as much as digits as its factorization.

143465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4111.

The product of its digits is 1440, while the sum is 23.

The square root of 143465 is about 378.7677388585. The cubic root of 143465 is about 52.3498354475.

The spelling of 143465 in words is "one hundred forty-three thousand, four hundred sixty-five".