5645115465 has 32 divisors (see below), whose sum is σ = 10082451456. Its totient is φ = 2673370560.

The previous prime is 5645115461. The next prime is 5645115481.

5645115465 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5645115465 - 2² = 5645115461 is a prime.

It is a super-2 number, since 2×5645115465² = 63734657226364332450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5645115461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 390729 + ... + 404918.

It is an arithmetic number, because the mean of its divisors is an integer number (315076608).

Almost surely, 2^5645115465 is an apocalyptic number.

5645115465 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5645115465 is a deficient number, since it is larger than the sum of its proper divisors (4437335991).

5645115465 is a wasteful number, since it uses less digits than its factorization.

5645115465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795709.

The product of its digits is 360000, while the sum is 42.

The square root of 5645115465 is about 75133.9834229492. The cubic root of 5645115465 is about 1780.5640876215.

The spelling of 5645115465 in words is "five billion, six hundred forty-five million, one hundred fifteen thousand, four hundred sixty-five".