345035550 has 48 divisors (see below), whose sum is σ = 858538800. Its totient is φ = 91703040.

The previous prime is 345035539. The next prime is 345035563. The reversal of 345035550 is 55530543.

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

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 43276 + ... + 50624.

It is an arithmetic number, because the mean of its divisors is an integer number (17886225).

Almost surely, 2^345035550 is an apocalyptic number.

345035550 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 345035550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (429269400).

345035550 is an abundant number, since it is smaller than the sum of its proper divisors (513503250).

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

345035550 is a wasteful number, since it uses less digits than its factorization.

345035550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7677 (or 7672 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 30.

The square root of 345035550 is about 18575.1325701864. The cubic root of 345035550 is about 701.3819976420.

The spelling of 345035550 in words is "three hundred forty-five million, thirty-five thousand, five hundred fifty".