345844265 has 16 divisors (see below), whose sum is σ = 448064400. Its totient is φ = 254748672.

The previous prime is 345844259. The next prime is 345844267. The reversal of 345844265 is 562448543.

It can be written as a sum of positive squares in 8 ways, for example, as 11539609 + 334304656 = 3397^2 + 18284^2 .

It is a cyclic number.

It is not a de Polignac number, because 345844265 - 2⁴ = 345844249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345844267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20081 + ... + 33089.

It is an arithmetic number, because the mean of its divisors is an integer number (28004025).

Almost surely, 2^345844265 is an apocalyptic number.

It is an amenable number.

345844265 is a deficient number, since it is larger than the sum of its proper divisors (102220135).

345844265 is a wasteful number, since it uses less digits than its factorization.

345844265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13436.

The product of its digits is 460800, while the sum is 41.

The square root of 345844265 is about 18596.8885838465. Note that the first 3 decimals coincide. The cubic root of 345844265 is about 701.9295504555.

The spelling of 345844265 in words is "three hundred forty-five million, eight hundred forty-four thousand, two hundred sixty-five".