345544 has 16 divisors (see below), whose sum is σ = 662400. Its totient is φ = 168912.

The previous prime is 345533. The next prime is 345547. The reversal of 345544 is 445543.

345544 = T₉₇ + T₉₈ + ... + T₁₄₃.

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 3 ways as a sum of consecutive naturals, for example, 84 + ... + 835.

It is an arithmetic number, because the mean of its divisors is an integer number (41400).

2³⁴⁵⁵⁴⁴ is an apocalyptic number.

It is an amenable number.

345544 is a deficient number, since it is larger than the sum of its proper divisors (316856).

345544 is a wasteful number, since it uses less digits than its factorization.

345544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972 (or 968 counting only the distinct ones).

The product of its digits is 4800, while the sum is 25.

The square root of 345544 is about 587.8299073712. The cubic root of 345544 is about 70.1726351190.

Subtracting 345544 from its reverse (445543), we obtain a palindrome (99999).

The spelling of 345544 in words is "three hundred forty-five thousand, five hundred forty-four".