345540100 has 36 divisors (see below), whose sum is σ = 755246800. Its totient is φ = 137216160.

The previous prime is 345540071. The next prime is 345540103. The reversal of 345540100 is 1045543.

It is not an unprimeable number, because it can be changed into a prime (345540103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1471 + ... + 26329.

Almost surely, 2^345540100 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 345540100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (377623400).

345540100 is an abundant number, since it is smaller than the sum of its proper divisors (409706700).

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

345540100 is a wasteful number, since it uses less digits than its factorization.

345540100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25012 (or 25005 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 345540100 is about 18588.7089384927. The cubic root of 345540100 is about 701.7237111566.

Adding to 345540100 its reverse (1045543), we get a palindrome (346585643).

The spelling of 345540100 in words is "three hundred forty-five million, five hundred forty thousand, one hundred".