4512161045 has 24 divisors (see below), whose sum is σ = 6468878976. Its totient is φ = 2959517088.

The previous prime is 4512161041. The next prime is 4512161053. The reversal of 4512161045 is 5401612154.

It is not a de Polignac number, because 4512161045 - 2² = 4512161041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4512160999 and 4512161017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4512161041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103337 + ... + 140366.

It is an arithmetic number, because the mean of its divisors is an integer number (269536624).

Almost surely, 2^4512161045 is an apocalyptic number.

It is an amenable number.

4512161045 is a deficient number, since it is larger than the sum of its proper divisors (1956717931).

4512161045 is a wasteful number, since it uses less digits than its factorization.

4512161045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243761 (or 243738 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 4512161045 is about 67172.6212455640. The cubic root of 4512161045 is about 1652.4495047370.

Adding to 4512161045 its reverse (5401612154), we get a palindrome (9913773199).

The spelling of 4512161045 in words is "four billion, five hundred twelve million, one hundred sixty-one thousand, forty-five".