5021144545 has 8 divisors (see below), whose sum is σ = 6124150440. Its totient is φ = 3951064320.

The previous prime is 5021144539. The next prime is 5021144621. The reversal of 5021144545 is 5454411205.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 399320289 + 4621824256 = 19983^2 + 67984^2 .

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

It is not a de Polignac number, because 5021144545 - 2⁹ = 5021144033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8231080 + ... + 8231689.

It is an arithmetic number, because the mean of its divisors is an integer number (765518805).

Almost surely, 2^5021144545 is an apocalyptic number.

It is an amenable number.

5021144545 is a deficient number, since it is larger than the sum of its proper divisors (1103005895).

5021144545 is a wasteful number, since it uses less digits than its factorization.

5021144545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16462835.

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 5021144545 is about 70860.0348927377. The cubic root of 5021144545 is about 1712.3830010110.

The spelling of 5021144545 in words is "five billion, twenty-one million, one hundred forty-four thousand, five hundred forty-five".