5145245312 has 16 divisors (see below), whose sum is σ = 10250293650. Its totient is φ = 2572622592.

The previous prime is 5145245311. The next prime is 5145245341. The reversal of 5145245312 is 2135425415.

It can be written as a sum of positive squares in only one way, i.e., 3606723136 + 1538522176 = 60056^2 + 39224^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (5145245311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20098487 + ... + 20098742.

Almost surely, 2^5145245312 is an apocalyptic number.

It is an amenable number.

5145245312 is a deficient number, since it is larger than the sum of its proper divisors (5105048338).

5145245312 is an equidigital number, since it uses as much as digits as its factorization.

5145245312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40197243 (or 40197231 counting only the distinct ones).

The product of its digits is 24000, while the sum is 32.

The square root of 5145245312 is about 71730.3653413253. The cubic root of 5145245312 is about 1726.3758888477.

The spelling of 5145245312 in words is "five billion, one hundred forty-five million, two hundred forty-five thousand, three hundred twelve".