345305332 has 6 divisors (see below), whose sum is σ = 604284338. Its totient is φ = 172652664.

The previous prime is 345305269. The next prime is 345305333. The reversal of 345305332 is 233503543.

It can be written as a sum of positive squares in only one way, i.e., 323064676 + 22240656 = 17974^2 + 4716^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 345305332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345305333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43163163 + ... + 43163170.

Almost surely, 2^345305332 is an apocalyptic number.

It is an amenable number.

345305332 is a deficient number, since it is larger than the sum of its proper divisors (258979006).

345305332 is a wasteful number, since it uses less digits than its factorization.

345305332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86326337 (or 86326335 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 28.

The square root of 345305332 is about 18582.3930644037. The cubic root of 345305332 is about 701.5647526679.

Adding to 345305332 its reverse (233503543), we get a palindrome (578808875).

The spelling of 345305332 in words is "three hundred forty-five million, three hundred five thousand, three hundred thirty-two".