224506145 has 8 divisors (see below), whose sum is σ = 274490856. Its totient is φ = 176215936.

The previous prime is 224506141. The next prime is 224506153. The reversal of 224506145 is 541605422.

It can be written as a sum of positive squares in 4 ways, for example, as 67354849 + 157151296 = 8207^2 + 12536^2 .

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 224506145 - 2² = 224506141 is a prime.

It is a super-2 number, since 2×224506145² = 100806018285522050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224506141) 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, 423332 + ... + 423861.

It is an arithmetic number, because the mean of its divisors is an integer number (34311357).

Almost surely, 2^224506145 is an apocalyptic number.

It is an amenable number.

224506145 is a deficient number, since it is larger than the sum of its proper divisors (49984711).

224506145 is an equidigital number, since it uses as much as digits as its factorization.

224506145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847251.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 224506145 is about 14983.5291236744. The cubic root of 224506145 is about 607.7748771592.

The spelling of 224506145 in words is "two hundred twenty-four million, five hundred six thousand, one hundred forty-five".