4775645145 has 16 divisors (see below), whose sum is σ = 7818731712. Its totient is φ = 2487777600.

The previous prime is 4775645143. The next prime is 4775645159. The reversal of 4775645145 is 5415465774.

4775645145 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4775645145 - 2¹ = 4775645143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4775645094 and 4775645103.

It is not an unprimeable number, because it can be changed into a prime (4775645141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3701406 + ... + 3702695.

It is an arithmetic number, because the mean of its divisors is an integer number (488670732).

Almost surely, 2^4775645145 is an apocalyptic number.

It is an amenable number.

4775645145 is a deficient number, since it is larger than the sum of its proper divisors (3043086567).

4775645145 is a wasteful number, since it uses less digits than its factorization.

4775645145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7404152.

The product of its digits is 2352000, while the sum is 48.

The square root of 4775645145 is about 69106.0427531486. The cubic root of 4775645145 is about 1684.0074804829.

The spelling of 4775645145 in words is "four billion, seven hundred seventy-five million, six hundred forty-five thousand, one hundred forty-five".