6147155 has 8 divisors (see below), whose sum is σ = 8430432. Its totient is φ = 4215168.

The previous prime is 6147139. The next prime is 6147161. The reversal of 6147155 is 5517416.

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 6147155 - 2⁴ = 6147139 is a prime.

It is a Duffinian 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, 87782 + ... + 87851.

It is an arithmetic number, because the mean of its divisors is an integer number (1053804).

Almost surely, 2^6147155 is an apocalyptic number.

6147155 is a deficient number, since it is larger than the sum of its proper divisors (2283277).

6147155 is a wasteful number, since it uses less digits than its factorization.

6147155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175645.

The product of its digits is 4200, while the sum is 29.

The square root of 6147155 is about 2479.3456798115. The cubic root of 6147155 is about 183.1856239077.

The spelling of 6147155 in words is "six million, one hundred forty-seven thousand, one hundred fifty-five".