3440145 has 8 divisors (see below), whose sum is σ = 5504256. Its totient is φ = 1834736.

The previous prime is 3440131. The next prime is 3440147. The reversal of 3440145 is 5410443.

3440145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 3440145 - 2⁶ = 3440081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3440147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114657 + ... + 114686.

It is an arithmetic number, because the mean of its divisors is an integer number (688032).

Almost surely, 2^3440145 is an apocalyptic number.

It is an amenable number.

3440145 is a deficient number, since it is larger than the sum of its proper divisors (2064111).

3440145 is a wasteful number, since it uses less digits than its factorization.

3440145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229351.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 3440145 is about 1854.7627880675. The cubic root of 3440145 is about 150.9589672582.

Adding to 3440145 its reverse (5410443), we get a palindrome (8850588).

The spelling of 3440145 in words is "three million, four hundred forty thousand, one hundred forty-five".