6244145 has 4 divisors (see below), whose sum is σ = 7492980. Its totient is φ = 4995312.

The previous prime is 6244099. The next prime is 6244153. The reversal of 6244145 is 5414426.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5414426 = 2 ⋅2707213.

It can be written as a sum of positive squares in 2 ways, for example, as 1478656 + 4765489 = 1216^2 + 2183^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6244145 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 3 ways as a sum of consecutive naturals, for example, 624410 + ... + 624419.

It is an arithmetic number, because the mean of its divisors is an integer number (1873245).

Almost surely, 2^6244145 is an apocalyptic number.

It is an amenable number.

6244145 is a deficient number, since it is larger than the sum of its proper divisors (1248835).

6244145 is a wasteful number, since it uses less digits than its factorization.

6244145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248834.

The product of its digits is 3840, while the sum is 26.

The square root of 6244145 is about 2498.8287256233. The cubic root of 6244145 is about 184.1440369493.

The spelling of 6244145 in words is "six million, two hundred forty-four thousand, one hundred forty-five".