4525145685 has 24 divisors (see below), whose sum is σ = 7867308384. Its totient is φ = 2406111840.

The previous prime is 4525145683. The next prime is 4525145689. The reversal of 4525145685 is 5865415254.

4525145685 is a `hidden beast` number, since 4 + 5 + 2 + 514 + 56 + 85 = 666.

It is not a de Polignac number, because 4525145685 - 2¹ = 4525145683 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 4525145685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4525145683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 137007 + ... + 166796.

It is an arithmetic number, because the mean of its divisors is an integer number (327804516).

Almost surely, 2^4525145685 is an apocalyptic number.

4525145685 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4525145685 is a deficient number, since it is larger than the sum of its proper divisors (3342162699).

4525145685 is a wasteful number, since it uses less digits than its factorization.

4525145685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304145 (or 304142 counting only the distinct ones).

The product of its digits is 960000, while the sum is 45.

The square root of 4525145685 is about 67269.2030947298. The cubic root of 4525145685 is about 1654.0330706322.

The spelling of 4525145685 in words is "four billion, five hundred twenty-five million, one hundred forty-five thousand, six hundred eighty-five".