345603312 has 60 divisors (see below), whose sum is σ = 1018123080. Its totient is φ = 109137024.

The previous prime is 345603299. The next prime is 345603317. The reversal of 345603312 is 213306543.

It is a happy number.

345603312 is a `hidden beast` number, since 3 + 45 + 603 + 3 + 12 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345603317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60423 + ... + 65894.

It is an arithmetic number, because the mean of its divisors is an integer number (16968718).

Almost surely, 2^345603312 is an apocalyptic number.

It is an amenable number.

345603312 is an abundant number, since it is smaller than the sum of its proper divisors (672519768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345603312 is a wasteful number, since it uses less digits than its factorization.

345603312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126350 (or 126341 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 345603312 is about 18590.4091401991. The cubic root of 345603312 is about 701.7664989109.

Adding to 345603312 its reverse (213306543), we get a palindrome (558909855).

The spelling of 345603312 in words is "three hundred forty-five million, six hundred three thousand, three hundred twelve".