6345143323515 has 48 divisors (see below), whose sum is σ = 11450231458848. Its totient is φ = 3247510537728.

The previous prime is 6345143323489. The next prime is 6345143323553. The reversal of 6345143323515 is 5153233415436.

6345143323515 is a `hidden beast` number, since 6 + 34 + 51 + 4 + 33 + 23 + 515 = 666.

It is not a de Polignac number, because 6345143323515 - 2¹¹ = 6345143321467 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25980489 + ... + 26223578.

It is an arithmetic number, because the mean of its divisors is an integer number (238546488726).

Almost surely, 2^{6345143323515} is an apocalyptic number.

6345143323515 is a deficient number, since it is larger than the sum of its proper divisors (5105088135333).

6345143323515 is a wasteful number, since it uses less digits than its factorization.

6345143323515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52204188 (or 52204185 counting only the distinct ones).

The product of its digits is 1944000, while the sum is 45.

The spelling of 6345143323515 in words is "six trillion, three hundred forty-five billion, one hundred forty-three million, three hundred twenty-three thousand, five hundred fifteen".