4545531513 has 28 divisors (see below), whose sum is σ = 6930756720. Its totient is φ = 2978964216.

The previous prime is 4545531503. The next prime is 4545531517. The reversal of 4545531513 is 3151355454.

4545531513 is a `hidden beast` number, since 4 + 54 + 553 + 1 + 51 + 3 = 666.

It is not a de Polignac number, because 4545531513 - 2²⁰ = 4544482937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4545531517) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 9831 + ... + 95852.

Almost surely, 2^4545531513 is an apocalyptic number.

It is an amenable number.

4545531513 is a deficient number, since it is larger than the sum of its proper divisors (2385225207).

4545531513 is an equidigital number, since it uses as much as digits as its factorization.

4545531513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105760 (or 105745 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

The square root of 4545531513 is about 67420.5570505020. The cubic root of 4545531513 is about 1656.5131620894.

Adding to 4545531513 its reverse (3151355454), we get a palindrome (7696886967).

It can be divided in two parts, 45455315 and 13, that multiplied together give a palindrome (590919095).

The spelling of 4545531513 in words is "four billion, five hundred forty-five million, five hundred thirty-one thousand, five hundred thirteen".