345075228 has 30 divisors (see below), whose sum is σ = 902095656. Its totient is φ = 115024968.

The previous prime is 345075217. The next prime is 345075253. The reversal of 345075228 is 822570543.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 345075192 and 345075201.

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 9 ways as a sum of consecutive naturals, for example, 532200 + ... + 532847.

Almost surely, 2^345075228 is an apocalyptic number.

It is an amenable number.

345075228 is an abundant number, since it is smaller than the sum of its proper divisors (557020428).

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

345075228 is a wasteful number, since it uses less digits than its factorization.

345075228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065063 (or 1065052 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 345075228 is about 18576.2005803124. The cubic root of 345075228 is about 701.4088821840.

The spelling of 345075228 in words is "three hundred forty-five million, seventy-five thousand, two hundred twenty-eight".