4131855145 has 16 divisors (see below), whose sum is σ = 5412617280. Its totient is φ = 3002961600.

The previous prime is 4131855131. The next prime is 4131855163. The reversal of 4131855145 is 5415581314.

It is not a de Polignac number, because 4131855145 - 2⁵ = 4131855113 is a prime.

It is an unprimeable number.

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, 59671 + ... + 108739.

It is an arithmetic number, because the mean of its divisors is an integer number (338288580).

Almost surely, 2^4131855145 is an apocalyptic number.

It is an amenable number.

4131855145 is a deficient number, since it is larger than the sum of its proper divisors (1280762135).

4131855145 is a wasteful number, since it uses less digits than its factorization.

4131855145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50616.

The product of its digits is 48000, while the sum is 37.

The square root of 4131855145 is about 64279.5079710478. The cubic root of 4131855145 is about 1604.6550819199.

The spelling of 4131855145 in words is "four billion, one hundred thirty-one million, eight hundred fifty-five thousand, one hundred forty-five".