4645663146 has 20 divisors (see below), whose sum is σ = 10409727042. Its totient is φ = 1548554328.

The previous prime is 4645663097. The next prime is 4645663147. The reversal of 4645663146 is 6413665464.

4645663146 is a `hidden beast` number, since 4 + 6 + 4 + 5 + 6 + 631 + 4 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3997400625 + 648262521 = 63225^2 + 25461^2 .

It is a super-2 number, since 2×4645663146² = 43164372132205234632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4645663147) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 14338305 + ... + 14338628.

Almost surely, 2^4645663146 is an apocalyptic number.

4645663146 is an abundant number, since it is smaller than the sum of its proper divisors (5764063896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4645663146 is a wasteful number, since it uses less digits than its factorization.

4645663146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28676947 (or 28676938 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 45.

The square root of 4645663146 is about 68159.1017106300. The cubic root of 4645663146 is about 1668.5884717784.

The spelling of 4645663146 in words is "four billion, six hundred forty-five million, six hundred sixty-three thousand, one hundred forty-six".