345520300 has 18 divisors (see below), whose sum is σ = 749779268. Its totient is φ = 138208080.

The previous prime is 345520267. The next prime is 345520349. The reversal of 345520300 is 3025543.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1727502 + ... + 1727701.

Almost surely, 2^345520300 is an apocalyptic number.

It is an amenable number.

345520300 is an abundant number, since it is smaller than the sum of its proper divisors (404258968).

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

345520300 is a wasteful number, since it uses less digits than its factorization.

345520300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3455217 (or 3455210 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 345520300 is about 18588.1763494970. The cubic root of 345520300 is about 701.7103076039.

Adding to 345520300 its reverse (3025543), we get a palindrome (348545843).

The spelling of 345520300 in words is "three hundred forty-five million, five hundred twenty thousand, three hundred".