4545444012503 has 8 divisors (see below), whose sum is σ = 4978782488880. Its totient is φ = 4130545471360.

The previous prime is 4545444012493. The next prime is 4545444012517. The reversal of 4545444012503 is 3052104445454.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4545444012503 - 2⁸ = 4545444012247 is a prime.

It is a super-2 number, since 2×4545444012503² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545444012563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4609983293 + ... + 4609984278.

It is an arithmetic number, because the mean of its divisors is an integer number (622347811110).

Almost surely, 2^{4545444012503} is an apocalyptic number.

4545444012503 is a deficient number, since it is larger than the sum of its proper divisors (433338476377).

4545444012503 is a wasteful number, since it uses less digits than its factorization.

4545444012503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9219967617.

The product of its (nonzero) digits is 768000, while the sum is 41.

Adding to 4545444012503 its reverse (3052104445454), we get a palindrome (7597548457957).

The spelling of 4545444012503 in words is "four trillion, five hundred forty-five billion, four hundred forty-four million, twelve thousand, five hundred three".