7145577316 has 24 divisors (see below), whose sum is σ = 12561468920. Its totient is φ = 3556611072.

The previous prime is 7145577281. The next prime is 7145577347. The reversal of 7145577316 is 6137755417.

It can be written as a sum of positive squares in 4 ways, for example, as 1239040000 + 5906537316 = 35200^2 + 76854^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1581076 + ... + 1585588.

Almost surely, 2^7145577316 is an apocalyptic number.

It is an amenable number.

7145577316 is a deficient number, since it is larger than the sum of its proper divisors (5415891604).

7145577316 is a wasteful number, since it uses less digits than its factorization.

7145577316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6223 (or 6221 counting only the distinct ones).

The product of its digits is 617400, while the sum is 46.

The square root of 7145577316 is about 84531.5167023519. The cubic root of 7145577316 is about 1926.1012255095.

The spelling of 7145577316 in words is "seven billion, one hundred forty-five million, five hundred seventy-seven thousand, three hundred sixteen".