3073145 has 8 divisors (see below), whose sum is σ = 3848256. Its totient is φ = 2351536.

The previous prime is 3073121. The next prime is 3073153. The reversal of 3073145 is 5413703.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3073145 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3073145.

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 7 ways as a sum of consecutive naturals, for example, 13247 + ... + 13476.

It is an arithmetic number, because the mean of its divisors is an integer number (481032).

Almost surely, 2^3073145 is an apocalyptic number.

It is an amenable number.

3073145 is a deficient number, since it is larger than the sum of its proper divisors (775111).

3073145 is a wasteful number, since it uses less digits than its factorization.

3073145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26751.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 3073145 is about 1753.0387902154. The cubic root of 3073145 is about 145.3877059738.

Adding to 3073145 its reverse (5413703), we get a palindrome (8486848).

The spelling of 3073145 in words is "three million, seventy-three thousand, one hundred forty-five".