224340145 has 8 divisors (see below), whose sum is σ = 271984104. Its totient is φ = 177621504.

The previous prime is 224340113. The next prime is 224340157. The reversal of 224340145 is 541043422.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 62236321 + 162103824 = 7889^2 + 12732^2 .

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 224340145 - 2⁵ = 224340113 is a prime.

It is a Duffinian number.

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, 230794 + ... + 231763.

It is an arithmetic number, because the mean of its divisors is an integer number (33998013).

Almost surely, 2^224340145 is an apocalyptic number.

It is an amenable number.

224340145 is a deficient number, since it is larger than the sum of its proper divisors (47643959).

224340145 is an equidigital number, since it uses as much as digits as its factorization.

224340145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462659.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 224340145 is about 14977.9886833980. The cubic root of 224340145 is about 607.6250438350.

Adding to 224340145 its reverse (541043422), we get a palindrome (765383567).

The spelling of 224340145 in words is "two hundred twenty-four million, three hundred forty thousand, one hundred forty-five".