224045545 has 8 divisors (see below), whose sum is σ = 276121224. Its totient is φ = 174392064.

The previous prime is 224045537. The next prime is 224045551. The reversal of 224045545 is 545540422.

It can be written as a sum of positive squares in 4 ways, for example, as 89415936 + 134629609 = 9456^2 + 11603^2 .

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 224045545 - 2³ = 224045537 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, 605344 + ... + 605713.

It is an arithmetic number, because the mean of its divisors is an integer number (34515153).

Almost surely, 2^224045545 is an apocalyptic number.

It is an amenable number.

224045545 is a deficient number, since it is larger than the sum of its proper divisors (52075679).

224045545 is a wasteful number, since it uses less digits than its factorization.

224045545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211099.

The product of its (nonzero) digits is 32000, while the sum is 31.

The square root of 224045545 is about 14968.1510214188. The cubic root of 224045545 is about 607.3589527300.

Adding to 224045545 its reverse (545540422), we get a palindrome (769585967).

The spelling of 224045545 in words is "two hundred twenty-four million, forty-five thousand, five hundred forty-five".