454216045 has 4 divisors (see below), whose sum is σ = 545059260. Its totient is φ = 363372832.

The previous prime is 454215997. The next prime is 454216051. The reversal of 454216045 is 540612454.

It is a happy number.

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 287573764 + 166642281 = 16958^2 + 12909^2 .

It is a cyclic number.

It is not a de Polignac number, because 454216045 - 2⁹ = 454215533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 454215998 and 454216016.

It is a congruent 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, 45421600 + ... + 45421609.

It is an arithmetic number, because the mean of its divisors is an integer number (136264815).

Almost surely, 2^454216045 is an apocalyptic number.

It is an amenable number.

454216045 is a deficient number, since it is larger than the sum of its proper divisors (90843215).

454216045 is an equidigital number, since it uses as much as digits as its factorization.

454216045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90843214.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 454216045 is about 21312.3448967963. The cubic root of 454216045 is about 768.6951786760.

Adding to 454216045 its reverse (540612454), we get a palindrome (994828499).

The spelling of 454216045 in words is "four hundred fifty-four million, two hundred sixteen thousand, forty-five".