345012100 has 18 divisors (see below), whose sum is σ = 748676474. Its totient is φ = 138004800.

The previous prime is 345012097. The next prime is 345012119. The reversal of 345012100 is 1210543.

It can be written as a sum of positive squares in 3 ways, for example, as 835396 + 344176704 = 914^2 + 18552^2 .

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, 1724961 + ... + 1725160.

Almost surely, 2^345012100 is an apocalyptic number.

It is an amenable number.

345012100 is an abundant number, since it is smaller than the sum of its proper divisors (403664374).

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

345012100 is a wasteful number, since it uses less digits than its factorization.

345012100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3450135 (or 3450128 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 345012100 is about 18574.5013392015. The cubic root of 345012100 is about 701.3661077041.

Adding to 345012100 its reverse (1210543), we get a palindrome (346222643).

The spelling of 345012100 in words is "three hundred forty-five million, twelve thousand, one hundred".