345500285 has 16 divisors (see below), whose sum is σ = 446957616. Its totient is φ = 254873088.

The previous prime is 345500257. The next prime is 345500291. The reversal of 345500285 is 582005543.

It can be written as a sum of positive squares in 8 ways, for example, as 4507129 + 340993156 = 2123^2 + 18466^2 .

It is a cyclic number.

It is not a de Polignac number, because 345500285 - 2¹² = 345496189 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, 78257 + ... + 82553.

It is an arithmetic number, because the mean of its divisors is an integer number (27934851).

Almost surely, 2^345500285 is an apocalyptic number.

It is an amenable number.

345500285 is a deficient number, since it is larger than the sum of its proper divisors (101457331).

345500285 is a wasteful number, since it uses less digits than its factorization.

345500285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5552.

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 345500285 is about 18587.6379618283. The cubic root of 345500285 is about 701.6967579870.

The spelling of 345500285 in words is "three hundred forty-five million, five hundred thousand, two hundred eighty-five".