4645645455 has 32 divisors (see below), whose sum is σ = 8461324800. Its totient is φ = 2154500480.

The previous prime is 4645645453. The next prime is 4645645553. The reversal of 4645645455 is 5545465464.

It is a happy number.

It is not a de Polignac number, because 4645645455 - 2¹ = 4645645453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4645645453) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 608280 + ... + 615869.

It is an arithmetic number, because the mean of its divisors is an integer number (264416400).

Almost surely, 2^4645645455 is an apocalyptic number.

4645645455 is a deficient number, since it is larger than the sum of its proper divisors (3815679345).

4645645455 is a wasteful number, since it uses less digits than its factorization.

4645645455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224191.

The product of its digits is 5760000, while the sum is 48.

The square root of 4645645455 is about 68158.9719332679. The cubic root of 4645645455 is about 1668.5863537431.

Subtracting 4645645455 from its reverse (5545465464), we obtain a square (899820009 = 29997²).

The spelling of 4645645455 in words is "four billion, six hundred forty-five million, six hundred forty-five thousand, four hundred fifty-five".