4645638145 has 16 divisors (see below), whose sum is σ = 5757696000. Its totient is φ = 3594686400.

The previous prime is 4645638017. The next prime is 4645638157. The reversal of 4645638145 is 5418365464.

It is not a de Polignac number, because 4645638145 - 2⁷ = 4645638017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4645638095 and 4645638104.

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, 324856 + ... + 338854.

It is an arithmetic number, because the mean of its divisors is an integer number (359856000).

Almost surely, 2^4645638145 is an apocalyptic number.

It is an amenable number.

4645638145 is a deficient number, since it is larger than the sum of its proper divisors (1112057855).

4645638145 is a wasteful number, since it uses less digits than its factorization.

4645638145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16176.

The product of its digits is 1382400, while the sum is 46.

The square root of 4645638145 is about 68158.9183086117. The cubic root of 4645638145 is about 1668.5854785599.

The spelling of 4645638145 in words is "four billion, six hundred forty-five million, six hundred thirty-eight thousand, one hundred forty-five".