4155313245645 has 16 divisors (see below), whose sum is σ = 6652054685952. Its totient is φ = 2214982566720.

The previous prime is 4155313245631. The next prime is 4155313245649. The reversal of 4155313245645 is 5465423135514.

It is a happy number.

It is not a de Polignac number, because 4155313245645 - 2⁹ = 4155313245133 is a prime.

It is a super-3 number, since 3×4155313245645³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4155313245594 and 4155313245603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4155313245649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74002102 + ... + 74058231.

It is an arithmetic number, because the mean of its divisors is an integer number (415753417872).

Almost surely, 2^{4155313245645} is an apocalyptic number.

It is an amenable number.

4155313245645 is a deficient number, since it is larger than the sum of its proper divisors (2496741440307).

4155313245645 is a wasteful number, since it uses less digits than its factorization.

4155313245645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148062212.

The product of its digits is 4320000, while the sum is 48.

The spelling of 4155313245645 in words is "four trillion, one hundred fifty-five billion, three hundred thirteen million, two hundred forty-five thousand, six hundred forty-five".