345567 has 8 divisors (see below), whose sum is σ = 464896. Its totient is φ = 228312.

The previous prime is 345551. The next prime is 345571. The reversal of 345567 is 765543.

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

It is not a de Polignac number, because 345567 - 2⁴ = 345551 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345517) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73 + ... + 834.

It is an arithmetic number, because the mean of its divisors is an integer number (58112).

2³⁴⁵⁵⁶⁷ is an apocalyptic number.

345567 is a deficient number, since it is larger than the sum of its proper divisors (119329).

345567 is a wasteful number, since it uses less digits than its factorization.

345567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037.

The product of its digits is 12600, while the sum is 30.

The square root of 345567 is about 587.8494705280. The cubic root of 345567 is about 70.1741920214.

The spelling of 345567 in words is "three hundred forty-five thousand, five hundred sixty-seven".