5145665412 has 24 divisors (see below), whose sum is σ = 12210055200. Its totient is φ = 1686150016.

The previous prime is 5145665377. The next prime is 5145665419. The reversal of 5145665412 is 2145665415.

It is not an unprimeable number, because it can be changed into a prime (5145665419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3633237 + ... + 3634652.

It is an arithmetic number, because the mean of its divisors is an integer number (508752300).

Almost surely, 2^5145665412 is an apocalyptic number.

It is an amenable number.

5145665412 is an abundant number, since it is smaller than the sum of its proper divisors (7064389788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5145665412 is a wasteful number, since it uses less digits than its factorization.

5145665412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7267955 (or 7267953 counting only the distinct ones).

The product of its digits is 144000, while the sum is 39.

The square root of 5145665412 is about 71733.2936090348. The cubic root of 5145665412 is about 1726.4228727283.

The spelling of 5145665412 in words is "five billion, one hundred forty-five million, six hundred sixty-five thousand, four hundred twelve".