2545476165 has 16 divisors (see below), whose sum is σ = 4525291200. Its totient is φ = 1357587216.

The previous prime is 2545476119. The next prime is 2545476169. The reversal of 2545476165 is 5616745452.

2545476165 is a `hidden beast` number, since 2 + 545 + 47 + 6 + 1 + 65 = 666.

2545476165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-2545476165 is a prime.

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

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 2545476165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545476169) 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, 9427555 + ... + 9427824.

It is an arithmetic number, because the mean of its divisors is an integer number (282830700).

Almost surely, 2^2545476165 is an apocalyptic number.

It is an amenable number.

2545476165 is a deficient number, since it is larger than the sum of its proper divisors (1979815035).

2545476165 is a wasteful number, since it uses less digits than its factorization.

2545476165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18855393 (or 18855387 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 45.

The square root of 2545476165 is about 50452.7121669391. The cubic root of 2545476165 is about 1365.3888277637.

The spelling of 2545476165 in words is "two billion, five hundred forty-five million, four hundred seventy-six thousand, one hundred sixty-five".