345342200 has 144 divisors (see below), whose sum is σ = 944638200. Its totient is φ = 117062400.

The previous prime is 345342169. The next prime is 345342203. The reversal of 345342200 is 2243543.

It is a super-2 number, since 2×345342200² = 238522470201680000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345342203) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1283666 + ... + 1283934.

Almost surely, 2^345342200 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345342200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (472319100).

345342200 is an abundant number, since it is smaller than the sum of its proper divisors (599296000).

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

345342200 is a wasteful number, since it uses less digits than its factorization.

345342200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430 (or 414 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 345342200 is about 18583.3850522449. The cubic root of 345342200 is about 701.5897202994.

Adding to 345342200 its reverse (2243543), we get a palindrome (347585743).

The spelling of 345342200 in words is "three hundred forty-five million, three hundred forty-two thousand, two hundred".