4543253450145 has 12 divisors (see below), whose sum is σ = 7874972646996. Its totient is φ = 2423068506720.

The previous prime is 4543253450137. The next prime is 4543253450159. The reversal of 4543253450145 is 5410543523454.

4543253450145 is a `hidden beast` number, since 4 + 5 + 4 + 3 + 2 + 53 + 450 + 145 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1943648645904 + 2599604804241 = 1394148^2 + 1612329^2 .

It is not a de Polignac number, because 4543253450145 - 2³ = 4543253450137 is a prime.

It is a super-3 number, since 3×4543253450145³ (a number of 39 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 100961187781 = 4543253450145 / (4 + 5 + 4 + 3 + 2 + 5 + 3 + 4 + 5 + 0 + 1 + 4 + 5).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4543253450145.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50480593846 + ... + 50480593935.

It is an arithmetic number, because the mean of its divisors is an integer number (656247720583).

Almost surely, 2^{4543253450145} is an apocalyptic number.

4543253450145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4543253450145 is a deficient number, since it is larger than the sum of its proper divisors (3331719196851).

4543253450145 is a wasteful number, since it uses less digits than its factorization.

4543253450145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100961187792 (or 100961187789 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 45.

Adding to 4543253450145 its reverse (5410543523454), we get a palindrome (9953796973599).

The spelling of 4543253450145 in words is "four trillion, five hundred forty-three billion, two hundred fifty-three million, four hundred fifty thousand, one hundred forty-five".