345233128 has 16 divisors (see below), whose sum is σ = 675456480. Its totient is φ = 165111408.

The previous prime is 345233123. The next prime is 345233129. The reversal of 345233128 is 821332543.

It is a self number, because there is not a number n which added to its sum of digits gives 345233128.

It is not an unprimeable number, because it can be changed into a prime (345233123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 937950 + ... + 938317.

It is an arithmetic number, because the mean of its divisors is an integer number (42216030).

Almost surely, 2^345233128 is an apocalyptic number.

It is an amenable number.

345233128 is a deficient number, since it is larger than the sum of its proper divisors (330223352).

345233128 is a wasteful number, since it uses less digits than its factorization.

345233128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1876296 (or 1876292 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 345233128 is about 18580.4501560108. The cubic root of 345233128 is about 701.5158497523.

The spelling of 345233128 in words is "three hundred forty-five million, two hundred thirty-three thousand, one hundred twenty-eight".