545140140510203 has 4 divisors (see below), whose sum is σ = 623017303440240. Its totient is φ = 467262977580168.

The previous prime is 545140140510197. The next prime is 545140140510353. The reversal of 545140140510203 is 302015041041545.

It is a happy number.

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

It is not a de Polignac number, because 545140140510203 - 2⁴ = 545140140510187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545140140510503) 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, 38938581465008 + ... + 38938581465021.

It is an arithmetic number, because the mean of its divisors is an integer number (155754325860060).

Almost surely, 2^{545140140510203} is an apocalyptic number.

545140140510203 is a deficient number, since it is larger than the sum of its proper divisors (77877162930037).

545140140510203 is an equidigital number, since it uses as much as digits as its factorization.

545140140510203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77877162930036.

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 545140140510203 its reverse (302015041041545), we get a palindrome (847155181551748).

The spelling of 545140140510203 in words is "five hundred forty-five trillion, one hundred forty billion, one hundred forty million, five hundred ten thousand, two hundred three".