6245145 has 24 divisors (see below), whose sum is σ = 10914696. Its totient is φ = 3303168.

The previous prime is 6245123. The next prime is 6245153. The reversal of 6245145 is 5415426.

It can be written as a sum of positive squares in 4 ways, for example, as 144 + 6245001 = 12^2 + 2499^2 .

It is not a de Polignac number, because 6245145 - 2⁷ = 6245017 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

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 23 ways as a sum of consecutive naturals, for example, 5659 + ... + 6671.

It is an arithmetic number, because the mean of its divisors is an integer number (454779).

Almost surely, 2^6245145 is an apocalyptic number.

It is an amenable number.

6245145 is a deficient number, since it is larger than the sum of its proper divisors (4669551).

6245145 is a wasteful number, since it uses less digits than its factorization.

6245145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161 (or 1158 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 6245145 is about 2499.0288113585. The cubic root of 6245145 is about 184.1538666488.

The spelling of 6245145 in words is "six million, two hundred forty-five thousand, one hundred forty-five".