6745145115 has 16 divisors (see below), whose sum is σ = 10899088416. Its totient is φ = 3561792000.

The previous prime is 6745145111. The next prime is 6745145123. The reversal of 6745145115 is 5115415476.

It is not a de Polignac number, because 6745145115 - 2² = 6745145111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6745145111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2224606 + ... + 2227635.

It is an arithmetic number, because the mean of its divisors is an integer number (681193026).

Almost surely, 2^6745145115 is an apocalyptic number.

6745145115 is a deficient number, since it is larger than the sum of its proper divisors (4153943301).

6745145115 is a wasteful number, since it uses less digits than its factorization.

6745145115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4452350.

The product of its digits is 84000, while the sum is 39.

The square root of 6745145115 is about 82128.8324219942. The cubic root of 6745145115 is about 1889.4283719628.

The spelling of 6745145115 in words is "six billion, seven hundred forty-five million, one hundred forty-five thousand, one hundred fifteen".