224352145 has 16 divisors (see below), whose sum is σ = 286076880. Its totient is φ = 168905472.

The previous prime is 224352137. The next prime is 224352203. The reversal of 224352145 is 541253422.

It can be written as a sum of positive squares in 8 ways, for example, as 4363921 + 219988224 = 2089^2 + 14832^2 .

It is not a de Polignac number, because 224352145 - 2³ = 224352137 is a prime.

It is a super-2 number, since 2×224352145² = 100667769932202050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19999 + ... + 29131.

It is an arithmetic number, because the mean of its divisors is an integer number (17879805).

Almost surely, 2^224352145 is an apocalyptic number.

It is an amenable number.

224352145 is a deficient number, since it is larger than the sum of its proper divisors (61724735).

224352145 is an frugal number, since it uses more digits than its factorization.

224352145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9189 (or 9155 counting only the distinct ones).

The product of its digits is 9600, while the sum is 28.

The square root of 224352145 is about 14978.3892658723. The cubic root of 224352145 is about 607.6358776376.

The spelling of 224352145 in words is "two hundred twenty-four million, three hundred fifty-two thousand, one hundred forty-five".