3453145 has 4 divisors (see below), whose sum is σ = 4143780. Its totient is φ = 2762512.

The previous prime is 3453139. The next prime is 3453179. The reversal of 3453145 is 5413543.

3453145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 484416 + 2968729 = 696^2 + 1723^2 .

It is a cyclic number.

It is not a de Polignac number, because 3453145 - 2⁷ = 3453017 is a prime.

3453145 is a lucky number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 345310 + ... + 345319.

It is an arithmetic number, because the mean of its divisors is an integer number (1035945).

Almost surely, 2^3453145 is an apocalyptic number.

It is an amenable number.

3453145 is a deficient number, since it is larger than the sum of its proper divisors (690635).

3453145 is an equidigital number, since it uses as much as digits as its factorization.

3453145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690634.

The product of its digits is 3600, while the sum is 25.

The square root of 3453145 is about 1858.2639747894. The cubic root of 3453145 is about 151.1488817100.

Adding to 3453145 its reverse (5413543), we get a palindrome (8866688).

The spelling of 3453145 in words is "three million, four hundred fifty-three thousand, one hundred forty-five".