6145861851 has 16 divisors (see below), whose sum is σ = 9176678400. Its totient is φ = 4064977224.

The previous prime is 6145861837. The next prime is 6145861853. The reversal of 6145861851 is 1581685416.

6145861851 is a `hidden beast` number, since 6 + 1 + 4 + 586 + 18 + 51 = 666.

6145861851 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6145861851 - 2²¹ = 6143764699 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 6145861797 and 6145861806.

It is not an unprimeable number, because it can be changed into a prime (6145861853) 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, 892731 + ... + 899588.

It is an arithmetic number, because the mean of its divisors is an integer number (573542400).

Almost surely, 2^6145861851 is an apocalyptic number.

6145861851 is a deficient number, since it is larger than the sum of its proper divisors (3030816549).

6145861851 is a wasteful number, since it uses less digits than its factorization.

6145861851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792455 (or 1792449 counting only the distinct ones).

The product of its digits is 230400, while the sum is 45.

The square root of 6145861851 is about 78395.5473926932. The cubic root of 6145861851 is about 1831.7277769836.

The spelling of 6145861851 in words is "six billion, one hundred forty-five million, eight hundred sixty-one thousand, eight hundred fifty-one".