4185133545 has 16 divisors (see below), whose sum is σ = 6726246912. Its totient is φ = 2222060160.

The previous prime is 4185133543. The next prime is 4185133549. The reversal of 4185133545 is 5453315814.

It is not a de Polignac number, because 4185133545 - 2¹ = 4185133543 is a prime.

It is a super-3 number, since 3×4185133545³ (a number of 30 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4185133543) 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 15 ways as a sum of consecutive naturals, for example, 622236 + ... + 628925.

It is an arithmetic number, because the mean of its divisors is an integer number (420390432).

Almost surely, 2^4185133545 is an apocalyptic number.

It is an amenable number.

4185133545 is a deficient number, since it is larger than the sum of its proper divisors (2541113367).

4185133545 is a wasteful number, since it uses less digits than its factorization.

4185133545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251392.

The product of its digits is 144000, while the sum is 39.

The square root of 4185133545 is about 64692.6081171566. The cubic root of 4185133545 is about 1611.5227475609.

The spelling of 4185133545 in words is "four billion, one hundred eighty-five million, one hundred thirty-three thousand, five hundred forty-five".