345448 has 16 divisors (see below), whose sum is σ = 670500. Its totient is φ = 166656.

The previous prime is 345431. The next prime is 345451. The reversal of 345448 is 844543.

It can be written as a sum of positive squares in 2 ways, for example, as 338724 + 6724 = 582^2 + 82^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 513 + ... + 976.

2³⁴⁵⁴⁴⁸ is an apocalyptic number.

It is an amenable number.

345448 is a deficient number, since it is larger than the sum of its proper divisors (325052).

345448 is a wasteful number, since it uses less digits than its factorization.

345448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1524 (or 1520 counting only the distinct ones).

The product of its digits is 7680, while the sum is 28.

The square root of 345448 is about 587.7482454249. The cubic root of 345448 is about 70.1661359979.

It can be divided in two parts, 3 and 45448, that added together give a triangular number (45451 = T₃₀₁).

The spelling of 345448 in words is "three hundred forty-five thousand, four hundred forty-eight".