345573 has 8 divisors (see below), whose sum is σ = 512000. Its totient is φ = 230364.

The previous prime is 345571. The next prime is 345577. The reversal of 345573 is 375543.

It is a happy number.

It is not a de Polignac number, because 345573 - 2¹ = 345571 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 12799 = 345573 / (3 + 4 + 5 + 5 + 7 + 3).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345571) 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, 6373 + ... + 6426.

It is an arithmetic number, because the mean of its divisors is an integer number (64000).

2³⁴⁵⁵⁷³ is an apocalyptic number.

It is an amenable number.

345573 is a deficient number, since it is larger than the sum of its proper divisors (166427).

345573 is a wasteful number, since it uses less digits than its factorization.

345573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12808 (or 12802 counting only the distinct ones).

The product of its digits is 6300, while the sum is 27.

The square root of 345573 is about 587.8545738531. The cubic root of 345573 is about 70.1745981584.

The spelling of 345573 in words is "three hundred forty-five thousand, five hundred seventy-three".