5145173122 has 4 divisors (see below), whose sum is σ = 7717759686. Its totient is φ = 2572586560.

The previous prime is 5145173101. The next prime is 5145173123. The reversal of 5145173122 is 2213715415.

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

It can be written as a sum of positive squares in only one way, i.e., 5052224241 + 92948881 = 71079^2 + 9641^2 .

It is not an unprimeable number, because it can be changed into a prime (5145173123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1286293279 + ... + 1286293282.

Almost surely, 2^5145173122 is an apocalyptic number.

5145173122 is a deficient number, since it is larger than the sum of its proper divisors (2572586564).

5145173122 is a wasteful number, since it uses less digits than its factorization.

5145173122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2572586563.

The product of its digits is 8400, while the sum is 31.

The square root of 5145173122 is about 71729.8621356545. The cubic root of 5145173122 is about 1726.3678148784.

Adding to 5145173122 its reverse (2213715415), we get a palindrome (7358888537).

The spelling of 5145173122 in words is "five billion, one hundred forty-five million, one hundred seventy-three thousand, one hundred twenty-two".