345545130 has 128 divisors (see below), whose sum is σ = 987033600. Its totient is φ = 75778560.

The previous prime is 345545129. The next prime is 345545173. The reversal of 345545130 is 31545543.

345545130 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 576571 + ... + 577169.

It is an arithmetic number, because the mean of its divisors is an integer number (7711200).

Almost surely, 2^345545130 is an apocalyptic number.

345545130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 345545130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (493516800).

345545130 is an abundant number, since it is smaller than the sum of its proper divisors (641488470).

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

345545130 is a wasteful number, since it uses less digits than its factorization.

345545130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 345545130 is about 18588.8442351858. The cubic root of 345545130 is about 701.7271161190.

The spelling of 345545130 in words is "three hundred forty-five million, five hundred forty-five thousand, one hundred thirty".