3145244 has 6 divisors (see below), whose sum is σ = 5504184. Its totient is φ = 1572620.

The previous prime is 3145243. The next prime is 3145249. The reversal of 3145244 is 4425413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3145243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 393152 + ... + 393159.

It is an arithmetic number, because the mean of its divisors is an integer number (917364).

Almost surely, 2^3145244 is an apocalyptic number.

It is an amenable number.

3145244 is a deficient number, since it is larger than the sum of its proper divisors (2358940).

3145244 is a wasteful number, since it uses less digits than its factorization.

3145244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786315 (or 786313 counting only the distinct ones).

The product of its digits is 1920, while the sum is 23.

The square root of 3145244 is about 1773.4835775952. The cubic root of 3145244 is about 146.5159079900.

The spelling of 3145244 in words is "three million, one hundred forty-five thousand, two hundred forty-four".