4456408046545 has 16 divisors (see below), whose sum is σ = 6581771884800. Its totient is φ = 2820759378624.

The previous prime is 4456408046479. The next prime is 4456408046557. The reversal of 4456408046545 is 5456408046544.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4456408046545 - 2¹⁷ = 4456407915473 is a prime.

It is a super-2 number, since 2×4456408046545² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4897151245 + ... + 4897152154.

It is an arithmetic number, because the mean of its divisors is an integer number (411360742800).

Almost surely, 2^{4456408046545} is an apocalyptic number.

It is an amenable number.

4456408046545 is a deficient number, since it is larger than the sum of its proper divisors (2125363838255).

4456408046545 is a wasteful number, since it uses less digits than its factorization.

4456408046545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9794303424.

The product of its (nonzero) digits is 36864000, while the sum is 55.

Subtracting 4456408046545 from its reverse (5456408046544), we obtain a palindrome (999999999999).

The spelling of 4456408046545 in words is "four trillion, four hundred fifty-six billion, four hundred eight million, forty-six thousand, five hundred forty-five".