4545819172 has 6 divisors (see below), whose sum is σ = 7955183558. Its totient is φ = 2272909584.

The previous prime is 4545819151. The next prime is 4545819209. The reversal of 4545819172 is 2719185454.

It can be written as a sum of positive squares in only one way, i.e., 4540872996 + 4946176 = 67386^2 + 2224^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 568227393 + ... + 568227400.

Almost surely, 2^4545819172 is an apocalyptic number.

It is an amenable number.

4545819172 is a deficient number, since it is larger than the sum of its proper divisors (3409364386).

4545819172 is a wasteful number, since it uses less digits than its factorization.

4545819172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136454797 (or 1136454795 counting only the distinct ones).

The product of its digits is 403200, while the sum is 46.

The square root of 4545819172 is about 67422.6903349310. The cubic root of 4545819172 is about 1656.5481048947.

The spelling of 4545819172 in words is "four billion, five hundred forty-five million, eight hundred nineteen thousand, one hundred seventy-two".