345748 has 24 divisors (see below), whose sum is σ = 668360. Its totient is φ = 155520.

The previous prime is 345739. The next prime is 345749. The reversal of 345748 is 847543.

It can be written as a sum of positive squares in 4 ways, for example, as 4 + 345744 = 2^2 + 588^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3118 + ... + 3226.

345748 is a Friedman number, since it can be written as (84*7)^(5-3)+4, using all its digits and the basic arithmetic operations.

2³⁴⁵⁷⁴⁸ is an apocalyptic number.

It is an amenable number.

345748 is a deficient number, since it is larger than the sum of its proper divisors (322612).

345748 is a wasteful number, since it uses less digits than its factorization.

345748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 185 counting only the distinct ones).

The product of its digits is 13440, while the sum is 31.

The square root of 345748 is about 588.0034013507. The cubic root of 345748 is about 70.1864417557.

The spelling of 345748 in words is "three hundred forty-five thousand, seven hundred forty-eight".