345052500 has 120 divisors (see below), whose sum is σ = 1083778080. Its totient is φ = 84912000.

The previous prime is 345052493. The next prime is 345052501. The reversal of 345052500 is 5250543.

It is a super-2 number, since 2×345052500² = 238122455512500000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345052501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 95731 + ... + 99269.

It is an arithmetic number, because the mean of its divisors is an integer number (9031484).

Almost surely, 2^345052500 is an apocalyptic number.

345052500 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345052500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (541889040).

345052500 is an abundant number, since it is smaller than the sum of its proper divisors (738725580).

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

345052500 is a wasteful number, since it uses less digits than its factorization.

345052500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3579 (or 3562 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 345052500 is about 18575.5888197387. The cubic root of 345052500 is about 701.3934826713.

The spelling of 345052500 in words is "three hundred forty-five million, fifty-two thousand, five hundred".