6131145 has 8 divisors (see below), whose sum is σ = 9809856. Its totient is φ = 3269936.

The previous prime is 6131131. The next prime is 6131189. The reversal of 6131145 is 5411316.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6131145 - 2¹⁴ = 6114761 is a prime.

It is a super-2 number, since 2×6131145² = 75181878022050, which contains 22 as substring.

It is a Curzon number.

6131145 is a lucky number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204357 + ... + 204386.

It is an arithmetic number, because the mean of its divisors is an integer number (1226232).

Almost surely, 2^6131145 is an apocalyptic number.

It is an amenable number.

6131145 is a deficient number, since it is larger than the sum of its proper divisors (3678711).

6131145 is a wasteful number, since it uses less digits than its factorization.

6131145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408751.

The product of its digits is 360, while the sum is 21.

The square root of 6131145 is about 2476.1149004035. The cubic root of 6131145 is about 183.0264526245.

The spelling of 6131145 in words is "six million, one hundred thirty-one thousand, one hundred forty-five".