345503652 has 48 divisors (see below), whose sum is σ = 873109440. Its totient is φ = 105706368.

The previous prime is 345503647. The next prime is 345503681. The reversal of 345503652 is 256305543.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21738 + ... + 34110.

It is an arithmetic number, because the mean of its divisors is an integer number (18189780).

Almost surely, 2^345503652 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345503652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (436554720).

345503652 is an abundant number, since it is smaller than the sum of its proper divisors (527605788).

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

345503652 is a wasteful number, since it uses less digits than its factorization.

345503652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12572 (or 12570 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 33.

The square root of 345503652 is about 18587.7285325561. The cubic root of 345503652 is about 701.6990373921.

The spelling of 345503652 in words is "three hundred forty-five million, five hundred three thousand, six hundred fifty-two".