7716148145 has 4 divisors (see below), whose sum is σ = 9259377780. Its totient is φ = 6172918512.

The previous prime is 7716148133. The next prime is 7716148163. The reversal of 7716148145 is 5418416177.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1205756176 + 6510391969 = 34724^2 + 80687^2 .

It is a cyclic number.

It is not a de Polignac number, because 7716148145 - 2⁶ = 7716148081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7716148096 and 7716148105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 771614810 + ... + 771614819.

It is an arithmetic number, because the mean of its divisors is an integer number (2314844445).

Almost surely, 2^7716148145 is an apocalyptic number.

It is an amenable number.

7716148145 is a deficient number, since it is larger than the sum of its proper divisors (1543229635).

7716148145 is a wasteful number, since it uses less digits than its factorization.

7716148145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543229634.

The product of its digits is 188160, while the sum is 44.

The square root of 7716148145 is about 87841.6082787650. The cubic root of 7716148145 is about 1976.0602666776.

The spelling of 7716148145 in words is "seven billion, seven hundred sixteen million, one hundred forty-eight thousand, one hundred forty-five".