3040155 has 12 divisors (see below), whose sum is σ = 5269680. Its totient is φ = 1621392.

The previous prime is 3040153. The next prime is 3040187. The reversal of 3040155 is 5510403.

It is not a de Polignac number, because 3040155 - 2¹ = 3040153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3040153) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 33735 + ... + 33824.

It is an arithmetic number, because the mean of its divisors is an integer number (439140).

Almost surely, 2^3040155 is an apocalyptic number.

3040155 is a deficient number, since it is larger than the sum of its proper divisors (2229525).

3040155 is a wasteful number, since it uses less digits than its factorization.

3040155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67570 (or 67567 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 3040155 is about 1743.6040261481. The cubic root of 3040155 is about 144.8655908648.

Adding to 3040155 its reverse (5510403), we get a palindrome (8550558).

The spelling of 3040155 in words is "three million, forty thousand, one hundred fifty-five".