5145522205 has 4 divisors (see below), whose sum is σ = 6174626652. Its totient is φ = 4116417760.

The previous prime is 5145522167. The next prime is 5145522269. The reversal of 5145522205 is 5022255415.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5022255415 = 5 ⋅1004451083.

It can be written as a sum of positive squares in 2 ways, for example, as 3077364676 + 2068157529 = 55474^2 + 45477^2 .

It is a de Polignac number, because none of the positive numbers 2^k-5145522205 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent 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, 514552216 + ... + 514552225.

It is an arithmetic number, because the mean of its divisors is an integer number (1543656663).

Almost surely, 2^5145522205 is an apocalyptic number.

It is an amenable number.

5145522205 is a deficient number, since it is larger than the sum of its proper divisors (1029104447).

5145522205 is a wasteful number, since it uses less digits than its factorization.

5145522205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029104446.

The product of its (nonzero) digits is 20000, while the sum is 31.

The square root of 5145522205 is about 71732.2954114812. The cubic root of 5145522205 is about 1726.4068567799.

The spelling of 5145522205 in words is "five billion, one hundred forty-five million, five hundred twenty-two thousand, two hundred five".