6243145 has 8 divisors (see below), whose sum is σ = 7507080. Its totient is φ = 4984320.

The previous prime is 6243109. The next prime is 6243157. The reversal of 6243145 is 5413426.

It can be written as a sum of positive squares in 4 ways, for example, as 1279161 + 4963984 = 1131^2 + 2228^2 .

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

It is not a de Polignac number, because 6243145 - 2⁹ = 6242633 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2361 + ... + 4249.

It is an arithmetic number, because the mean of its divisors is an integer number (938385).

Almost surely, 2^6243145 is an apocalyptic number.

It is an amenable number.

6243145 is a deficient number, since it is larger than the sum of its proper divisors (1263935).

6243145 is a wasteful number, since it uses less digits than its factorization.

6243145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2555.

The product of its digits is 2880, while the sum is 25.

The square root of 6243145 is about 2498.6286238655. The cubic root of 6243145 is about 184.1342062002.

The spelling of 6243145 in words is "six million, two hundred forty-three thousand, one hundred forty-five".