4576145538 has 48 divisors (see below), whose sum is σ = 9783512640. Its totient is φ = 1425221280.

The previous prime is 4576145531. The next prime is 4576145549. The reversal of 4576145538 is 8355416754.

It is a super-2 number, since 2×4576145538² = 41882215969914618888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4576145531) 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, 153531 + ... + 180897.

It is an arithmetic number, because the mean of its divisors is an integer number (203823180).

Almost surely, 2^4576145538 is an apocalyptic number.

4576145538 is an abundant number, since it is smaller than the sum of its proper divisors (5207367102).

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

4576145538 is a wasteful number, since it uses less digits than its factorization.

4576145538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27463 (or 27432 counting only the distinct ones).

The product of its digits is 2016000, while the sum is 48.

The square root of 4576145538 is about 67647.2138228915. The cubic root of 4576145538 is about 1660.2237006798.

The spelling of 4576145538 in words is "four billion, five hundred seventy-six million, one hundred forty-five thousand, five hundred thirty-eight".