5145543505 has 4 divisors (see below), whose sum is σ = 6174652212. Its totient is φ = 4116434800.

The previous prime is 5145543467. The next prime is 5145543517. The reversal of 5145543505 is 5053455415.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3756341521 + 1389201984 = 61289^2 + 37272^2 .

It is not a de Polignac number, because 5145543505 - 2¹⁵ = 5145510737 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 514554346 + ... + 514554355.

It is an arithmetic number, because the mean of its divisors is an integer number (1543663053).

Almost surely, 2^5145543505 is an apocalyptic number.

It is an amenable number.

5145543505 is a deficient number, since it is larger than the sum of its proper divisors (1029108707).

5145543505 is a wasteful number, since it uses less digits than its factorization.

5145543505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029108706.

The product of its (nonzero) digits is 150000, while the sum is 37.

The square root of 5145543505 is about 71732.4438800185. The cubic root of 5145543505 is about 1726.4092389428.

The spelling of 5145543505 in words is "five billion, one hundred forty-five million, five hundred forty-three thousand, five hundred five".