6750517145 has 8 divisors (see below), whose sum is σ = 8101104840. Its totient is φ = 5400090880.

The previous prime is 6750517141. The next prime is 6750517159. The reversal of 6750517145 is 5417150576.

It can be written as a sum of positive squares in 4 ways, for example, as 226562704 + 6523954441 = 15052^2 + 80771^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6750517145 - 2² = 6750517141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6750517141) 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, 89825 + ... + 146865.

It is an arithmetic number, because the mean of its divisors is an integer number (1012638105).

Almost surely, 2^6750517145 is an apocalyptic number.

It is an amenable number.

6750517145 is a deficient number, since it is larger than the sum of its proper divisors (1350587695).

6750517145 is a wasteful number, since it uses less digits than its factorization.

6750517145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80715.

The product of its (nonzero) digits is 147000, while the sum is 41.

The square root of 6750517145 is about 82161.5308097409. The cubic root of 6750517145 is about 1889.9298374521.

The spelling of 6750517145 in words is "six billion, seven hundred fifty million, five hundred seventeen thousand, one hundred forty-five".