234428945 has 8 divisors (see below), whose sum is σ = 284876160. Its totient is φ = 185168880.

The previous prime is 234428941. The next prime is 234428951. The reversal of 234428945 is 549824432.

234428945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 234428945 - 2² = 234428941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (234428941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296351 + ... + 297140.

It is an arithmetic number, because the mean of its divisors is an integer number (35609520).

Almost surely, 2^234428945 is an apocalyptic number.

It is an amenable number.

234428945 is a deficient number, since it is larger than the sum of its proper divisors (50447215).

234428945 is an equidigital number, since it uses as much as digits as its factorization.

234428945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593575.

The product of its digits is 276480, while the sum is 41.

The square root of 234428945 is about 15311.0726273504. The cubic root of 234428945 is about 616.6003179976.

The spelling of 234428945 in words is "two hundred thirty-four million, four hundred twenty-eight thousand, nine hundred forty-five".