545254443203 has 4 divisors (see below), whose sum is σ = 551823773928. Its totient is φ = 538685112480.

The previous prime is 545254443103. The next prime is 545254443241. The reversal of 545254443203 is 302344452545.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 545254443203 - 2²⁶ = 545187334339 is a prime.

It is a super-2 number, since 2×545254443203² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545254443103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3284665238 + ... + 3284665403.

It is an arithmetic number, because the mean of its divisors is an integer number (137955943482).

Almost surely, 2^545254443203 is an apocalyptic number.

545254443203 is a deficient number, since it is larger than the sum of its proper divisors (6569330725).

545254443203 is an equidigital number, since it uses as much as digits as its factorization.

545254443203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6569330724.

The product of its (nonzero) digits is 1152000, while the sum is 41.

Adding to 545254443203 its reverse (302344452545), we get a palindrome (847598895748).

The spelling of 545254443203 in words is "five hundred forty-five billion, two hundred fifty-four million, four hundred forty-three thousand, two hundred three".