3480145 has 8 divisors (see below), whose sum is σ = 4320360. Its totient is φ = 2688000.

The previous prime is 3480133. The next prime is 3480151. The reversal of 3480145 is 5410843.

It can be written as a sum of positive squares in 4 ways, for example, as 156816 + 3323329 = 396^2 + 1823^2 .

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

It is not a de Polignac number, because 3480145 - 2⁷ = 3480017 is a prime.

It is a super-2 number, since 2×3480145² = 24222818442050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11856 + ... + 12145.

It is an arithmetic number, because the mean of its divisors is an integer number (540045).

Almost surely, 2^3480145 is an apocalyptic number.

It is an amenable number.

3480145 is a deficient number, since it is larger than the sum of its proper divisors (840215).

3480145 is a wasteful number, since it uses less digits than its factorization.

3480145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24035.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 3480145 is about 1865.5146742923. The cubic root of 3480145 is about 151.5418017223.

Subtracting from 3480145 its product of nonzero digits (1920), we obtain a square (3478225 = 1865²).

Adding to 3480145 its reverse (5410843), we get a palindrome (8890988).

The spelling of 3480145 in words is "three million, four hundred eighty thousand, one hundred forty-five".