4557245447 has 4 divisors (see below), whose sum is σ = 4557591120. Its totient is φ = 4556899776.

The previous prime is 4557245389. The next prime is 4557245449. The reversal of 4557245447 is 7445427554.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4557245447 - 2¹⁴ = 4557229063 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 (4557245449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152243 + ... + 179700.

It is an arithmetic number, because the mean of its divisors is an integer number (1139397780).

Almost surely, 2^4557245447 is an apocalyptic number.

4557245447 is a deficient number, since it is larger than the sum of its proper divisors (345673).

4557245447 is a wasteful number, since it uses less digits than its factorization.

4557245447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345672.

The product of its digits is 3136000, while the sum is 47.

The square root of 4557245447 is about 67507.3732787760. The cubic root of 4557245447 is about 1657.9348983738.

It can be divided in two parts, 45572 and 45447, that added together give a palindrome (91019).

The spelling of 4557245447 in words is "four billion, five hundred fifty-seven million, two hundred forty-five thousand, four hundred forty-seven".