345548 has 36 divisors (see below), whose sum is σ = 737352. Its totient is φ = 141120.

The previous prime is 345547. The next prime is 345551. The reversal of 345548 is 845543.

It is a self number, because there is not a number n which added to its sum of digits gives 345548.

It is not an unprimeable number, because it can be changed into a prime (345547) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8015 + ... + 8057.

It is an arithmetic number, because the mean of its divisors is an integer number (20482).

2³⁴⁵⁵⁴⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368676).

345548 is an abundant number, since it is smaller than the sum of its proper divisors (391804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345548 is a wasteful number, since it uses less digits than its factorization.

345548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102 (or 93 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 345548 is about 587.8333097061. The cubic root of 345548 is about 70.1729058896.

The spelling of 345548 in words is "three hundred forty-five thousand, five hundred forty-eight".