6365542145 has 8 divisors (see below), whose sum is σ = 7643916456. Its totient is φ = 5088923136.

The previous prime is 6365542129. The next prime is 6365542159. The reversal of 6365542145 is 5412455636.

It is a happy number.

6365542145 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4122667264 + 2242874881 = 64208^2 + 47359^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 6365542145 - 2⁴ = 6365542129 is a prime.

It is a Duffinian number.

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, 430832 + ... + 445361.

It is an arithmetic number, because the mean of its divisors is an integer number (955489557).

Almost surely, 2^6365542145 is an apocalyptic number.

It is an amenable number.

6365542145 is a deficient number, since it is larger than the sum of its proper divisors (1278374311).

6365542145 is a wasteful number, since it uses less digits than its factorization.

6365542145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877651.

The product of its digits is 432000, while the sum is 41.

The square root of 6365542145 is about 79784.3477444041. The cubic root of 6365542145 is about 1853.2974689382.

The spelling of 6365542145 in words is "six billion, three hundred sixty-five million, five hundred forty-two thousand, one hundred forty-five".