345540210 has 32 divisors (see below), whose sum is σ = 849526272. Its totient is φ = 89896320.

The previous prime is 345540197. The next prime is 345540211. The reversal of 345540210 is 12045543.

It is not an unprimeable number, because it can be changed into a prime (345540211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139234 + ... + 141693.

It is an arithmetic number, because the mean of its divisors is an integer number (26547696).

Almost surely, 2^345540210 is an apocalyptic number.

345540210 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

345540210 is an abundant number, since it is smaller than the sum of its proper divisors (503986062).

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

345540210 is a wasteful number, since it uses less digits than its factorization.

345540210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280978.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 345540210 is about 18588.7118972779. The cubic root of 345540210 is about 701.7237856194.

Adding to 345540210 its reverse (12045543), we get a palindrome (357585753).

The spelling of 345540210 in words is "three hundred forty-five million, five hundred forty thousand, two hundred ten".