3145039 has 4 divisors (see below), whose sum is σ = 3176280. Its totient is φ = 3113800.

The previous prime is 3145027. The next prime is 3145049. The reversal of 3145039 is 9305413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9305413 = 13 ⋅715801.

It is a cyclic number.

It is not a de Polignac number, because 3145039 - 2⁹ = 3144527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3145019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15469 + ... + 15670.

It is an arithmetic number, because the mean of its divisors is an integer number (794070).

Almost surely, 2^3145039 is an apocalyptic number.

3145039 is a deficient number, since it is larger than the sum of its proper divisors (31241).

3145039 is a wasteful number, since it uses less digits than its factorization.

3145039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31240.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 3145039 is about 1773.4257807983. The cubic root of 3145039 is about 146.5127247273.

The spelling of 3145039 in words is "three million, one hundred forty-five thousand, thirty-nine".