345212285 has 16 divisors (see below), whose sum is σ = 478498752. Its totient is φ = 236294400.

The previous prime is 345212269. The next prime is 345212297. The reversal of 345212285 is 582212543.

It is not a de Polignac number, because 345212285 - 2⁴ = 345212269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183671 + ... + 185540.

It is an arithmetic number, because the mean of its divisors is an integer number (29906172).

Almost surely, 2^345212285 is an apocalyptic number.

It is an amenable number.

345212285 is a deficient number, since it is larger than the sum of its proper divisors (133286467).

345212285 is a wasteful number, since it uses less digits than its factorization.

345212285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369244.

The product of its digits is 19200, while the sum is 32.

The square root of 345212285 is about 18579.8892623180. The cubic root of 345212285 is about 701.5017317666.

The spelling of 345212285 in words is "three hundred forty-five million, two hundred twelve thousand, two hundred eighty-five".