224293145 has 4 divisors (see below), whose sum is σ = 269151780. Its totient is φ = 179434512.

The previous prime is 224293123. The next prime is 224293159. The reversal of 224293145 is 541392422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 51423241 + 172869904 = 7171^2 + 13148^2 .

It is a cyclic number.

It is not a de Polignac number, because 224293145 - 2¹⁶ = 224227609 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22429310 + ... + 22429319.

It is an arithmetic number, because the mean of its divisors is an integer number (67287945).

Almost surely, 2^224293145 is an apocalyptic number.

It is an amenable number.

224293145 is a deficient number, since it is larger than the sum of its proper divisors (44858635).

224293145 is an equidigital number, since it uses as much as digits as its factorization.

224293145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44858634.

The product of its digits is 17280, while the sum is 32.

The square root of 224293145 is about 14976.4196322085. The cubic root of 224293145 is about 607.5826077214.

The spelling of 224293145 in words is "two hundred twenty-four million, two hundred ninety-three thousand, one hundred forty-five".