345822580 has 12 divisors (see below), whose sum is σ = 726227460. Its totient is φ = 138329024.

The previous prime is 345822563. The next prime is 345822613. The reversal of 345822580 is 85228543.

345822580 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 70660836 + 275161744 = 8406^2 + 16588^2 .

345822580 is strictly pandigital in base 9.

It is a congruent number.

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, 8645545 + ... + 8645584.

It is an arithmetic number, because the mean of its divisors is an integer number (60518955).

Almost surely, 2^345822580 is an apocalyptic number.

It is an amenable number.

345822580 is an abundant number, since it is smaller than the sum of its proper divisors (380404880).

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

345822580 is a wasteful number, since it uses less digits than its factorization.

345822580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17291138 (or 17291136 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 37.

The square root of 345822580 is about 18596.3055470704. The cubic root of 345822580 is about 701.9148794393.

The spelling of 345822580 in words is "three hundred forty-five million, eight hundred twenty-two thousand, five hundred eighty".