345302056 has 96 divisors (see below), whose sum is σ = 756887040. Its totient is φ = 147312000.

The previous prime is 345302053. The next prime is 345302071. The reversal of 345302056 is 650203543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345302053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1110141 + ... + 1110451.

It is an arithmetic number, because the mean of its divisors is an integer number (7884240).

Almost surely, 2^345302056 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 345302056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378443520).

345302056 is an abundant number, since it is smaller than the sum of its proper divisors (411584984).

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

345302056 is a wasteful number, since it uses less digits than its factorization.

345302056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 345302056 is about 18582.3049162368. The cubic root of 345302056 is about 701.5625340195.

Adding to 345302056 its reverse (650203543), we get a palindrome (995505599).

The spelling of 345302056 in words is "three hundred forty-five million, three hundred two thousand, fifty-six".