224045453 has 4 divisors (see below), whose sum is σ = 224093820. Its totient is φ = 223997088.

The previous prime is 224045447. The next prime is 224045477. The reversal of 224045453 is 354540422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 354540422 = 2 ⋅177270211.

It can be written as a sum of positive squares in 2 ways, for example, as 157427209 + 66618244 = 12547^2 + 8162^2 .

It is a cyclic number.

It is not a de Polignac number, because 224045453 - 2¹² = 224041357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224045413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16400 + ... + 26777.

It is an arithmetic number, because the mean of its divisors is an integer number (56023455).

Almost surely, 2^224045453 is an apocalyptic number.

It is an amenable number.

224045453 is a deficient number, since it is larger than the sum of its proper divisors (48367).

224045453 is an equidigital number, since it uses as much as digits as its factorization.

224045453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48366.

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 224045453 is about 14968.1479482266. The cubic root of 224045453 is about 607.3588695966.

Adding to 224045453 its reverse (354540422), we get a palindrome (578585875).

The spelling of 224045453 in words is "two hundred twenty-four million, forty-five thousand, four hundred fifty-three".