6117145 has 12 divisors (see below), whose sum is σ = 7749540. Its totient is φ = 4634784.

The previous prime is 6117131. The next prime is 6117151. The reversal of 6117145 is 5417116.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4447881 + 1669264 = 2109^2 + 1292^2 .

It is not a de Polignac number, because 6117145 - 2⁹ = 6116633 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 111 + ... + 3499.

It is an arithmetic number, because the mean of its divisors is an integer number (645795).

Almost surely, 2^6117145 is an apocalyptic number.

It is an amenable number.

6117145 is a deficient number, since it is larger than the sum of its proper divisors (1632395).

6117145 is a wasteful number, since it uses less digits than its factorization.

6117145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3432 (or 3413 counting only the distinct ones).

The product of its digits is 840, while the sum is 25.

The square root of 6117145 is about 2473.2862753834. The cubic root of 6117145 is about 182.8870374940.

It can be divided in two parts, 61171 and 45, that added together give a palindrome (61216).

The spelling of 6117145 in words is "six million, one hundred seventeen thousand, one hundred forty-five".