345345100 has 18 divisors (see below), whose sum is σ = 749399084. Its totient is φ = 138138000.

The previous prime is 345345071. The next prime is 345345149. The reversal of 345345100 is 1543543.

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 1726626 + ... + 1726825.

Almost surely, 2^345345100 is an apocalyptic number.

It is an amenable number.

345345100 is an abundant number, since it is smaller than the sum of its proper divisors (404053984).

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

345345100 is a wasteful number, since it uses less digits than its factorization.

345345100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3453465 (or 3453458 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 345345100 is about 18583.4630787698. The cubic root of 345345100 is about 701.5916841529.

Adding to 345345100 its reverse (1543543), we get a palindrome (346888643).

The spelling of 345345100 in words is "three hundred forty-five million, three hundred forty-five thousand, one hundred".