4457007545 has 8 divisors (see below), whose sum is σ = 5351481024. Its totient is φ = 3563558064.

The previous prime is 4457007523. The next prime is 4457007553. The reversal of 4457007545 is 5457007544.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4457007545 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, 246389 + ... + 263858.

It is an arithmetic number, because the mean of its divisors is an integer number (668935128).

Almost surely, 2^4457007545 is an apocalyptic number.

It is an amenable number.

4457007545 is a deficient number, since it is larger than the sum of its proper divisors (894473479).

4457007545 is a wasteful number, since it uses less digits than its factorization.

4457007545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511999.

The product of its (nonzero) digits is 392000, while the sum is 41.

The square root of 4457007545 is about 66760.8234296133. The cubic root of 4457007545 is about 1645.6890890167.

Subtracting 4457007545 from its reverse (5457007544), we obtain a palindrome (999999999).

The spelling of 4457007545 in words is "four billion, four hundred fifty-seven million, seven thousand, five hundred forty-five".