229145 has 8 divisors (see below), whose sum is σ = 314304. Its totient is φ = 157104.

The previous prime is 229139. The next prime is 229153. The reversal of 229145 is 541922.

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 229145 - 2⁶ = 229081 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 229145.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3239 + ... + 3308.

It is an arithmetic number, because the mean of its divisors is an integer number (39288).

2²²⁹¹⁴⁵ is an apocalyptic number.

It is an amenable number.

229145 is a deficient number, since it is larger than the sum of its proper divisors (85159).

229145 is an equidigital number, since it uses as much as digits as its factorization.

229145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6559.

The product of its digits is 720, while the sum is 23.

The square root of 229145 is about 478.6909232480. The cubic root of 229145 is about 61.1932418812.

The spelling of 229145 in words is "two hundred twenty-nine thousand, one hundred forty-five".