345223532 has 12 divisors (see below), whose sum is σ = 607990320. Its totient is φ = 171512016.

The previous prime is 345223499. The next prime is 345223603. The reversal of 345223532 is 235322543.

It is a junction number, because it is equal to n+sod(n) for n = 345223495 and 345223504.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274232 + ... + 275487.

It is an arithmetic number, because the mean of its divisors is an integer number (50665860).

Almost surely, 2^345223532 is an apocalyptic number.

It is an amenable number.

345223532 is a deficient number, since it is larger than the sum of its proper divisors (262766788).

345223532 is a wasteful number, since it uses less digits than its factorization.

345223532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549880 (or 549878 counting only the distinct ones).

The product of its digits is 21600, while the sum is 29.

The square root of 345223532 is about 18580.1919258117. The cubic root of 345223532 is about 701.5093499816.

The spelling of 345223532 in words is "three hundred forty-five million, two hundred twenty-three thousand, five hundred thirty-two".