5645121303 has 16 divisors (see below), whose sum is σ = 7971116256. Its totient is φ = 3541355520.

The previous prime is 5645121277. The next prime is 5645121323. The reversal of 5645121303 is 3031215465.

It is not a de Polignac number, because 5645121303 - 2¹² = 5645117207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5645121323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 453523 + ... + 465803.

It is an arithmetic number, because the mean of its divisors is an integer number (498194766).

Almost surely, 2^5645121303 is an apocalyptic number.

5645121303 is a deficient number, since it is larger than the sum of its proper divisors (2325994953).

5645121303 is a wasteful number, since it uses less digits than its factorization.

5645121303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21314.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 5645121303 is about 75134.0222735346. The cubic root of 5645121303 is about 1780.5647014223.

Adding to 5645121303 its reverse (3031215465), we get a palindrome (8676336768).

The spelling of 5645121303 in words is "five billion, six hundred forty-five million, one hundred twenty-one thousand, three hundred three".