4512530533545 has 24 divisors (see below), whose sum is σ = 7831658305536. Its totient is φ = 2403624885408.

The previous prime is 4512530533541. The next prime is 4512530533559. The reversal of 4512530533545 is 5453350352154.

4512530533545 is a `hidden beast` number, since 4 + 5 + 1 + 2 + 5 + 305 + 335 + 4 + 5 = 666.

It is not a de Polignac number, because 4512530533545 - 2² = 4512530533541 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 4512530533545.

It is not an unprimeable number, because it can be changed into a prime (4512530533541) 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, 63673897 + ... + 63744726.

It is an arithmetic number, because the mean of its divisors is an integer number (326319096064).

Almost surely, 2^{4512530533545} is an apocalyptic number.

4512530533545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4512530533545 is a deficient number, since it is larger than the sum of its proper divisors (3319127771991).

4512530533545 is a wasteful number, since it uses less digits than its factorization.

4512530533545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127419421 (or 127419418 counting only the distinct ones).

The product of its (nonzero) digits is 2700000, while the sum is 45.

Adding to 4512530533545 its reverse (5453350352154), we get a palindrome (9965880885699).

The spelling of 4512530533545 in words is "four trillion, five hundred twelve billion, five hundred thirty million, five hundred thirty-three thousand, five hundred forty-five".