6145281 has 8 divisors (see below), whose sum is σ = 9104160. Its totient is φ = 4096836.

The previous prime is 6145277. The next prime is 6145291. The reversal of 6145281 is 1825416.

It is not a de Polignac number, because 6145281 - 2² = 6145277 is a prime.

It is a super-2 number, since 2×6145281² = 75528957137922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 227603 = 6145281 / (6 + 1 + 4 + 5 + 2 + 8 + 1).

6145281 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6145231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113775 + ... + 113828.

It is an arithmetic number, because the mean of its divisors is an integer number (1138020).

Almost surely, 2^6145281 is an apocalyptic number.

It is an amenable number.

6145281 is a deficient number, since it is larger than the sum of its proper divisors (2958879).

6145281 is a wasteful number, since it uses less digits than its factorization.

6145281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227612 (or 227606 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 6145281 is about 2478.9677287129. The cubic root of 6145281 is about 183.1670069079.

The spelling of 6145281 in words is "six million, one hundred forty-five thousand, two hundred eighty-one".