4645461512 has 32 divisors (see below), whose sum is σ = 9019301400. Its totient is φ = 2240469504.

The previous prime is 4645461511. The next prime is 4645461553. The reversal of 4645461512 is 2151645464.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1984346116 + 2661115396 = 44546^2 + 51586^2 .

It is a super-2 number, since 2×4645461512² = 43160625318946652288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4645461511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245378 + ... + 263630.

Almost surely, 2^4645461512 is an apocalyptic number.

It is an amenable number.

4645461512 is a deficient number, since it is larger than the sum of its proper divisors (4373839888).

4645461512 is a wasteful number, since it uses less digits than its factorization.

4645461512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19385 (or 19381 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

The square root of 4645461512 is about 68157.6225524336. The cubic root of 4645461512 is about 1668.5643310530.

The spelling of 4645461512 in words is "four billion, six hundred forty-five million, four hundred sixty-one thousand, five hundred twelve".