234812945 has 8 divisors (see below), whose sum is σ = 288648360. Its totient is φ = 183268480.

The previous prime is 234812927. The next prime is 234812947. The reversal of 234812945 is 549218432.

It can be written as a sum of positive squares in 4 ways, for example, as 37466641 + 197346304 = 6121^2 + 14048^2 .

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

It is not a de Polignac number, because 234812945 - 2²⁴ = 218035729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 234812899 and 234812908.

It is not an unprimeable number, because it can be changed into a prime (234812947) 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, 572510 + ... + 572919.

It is an arithmetic number, because the mean of its divisors is an integer number (36081045).

Almost surely, 2^234812945 is an apocalyptic number.

It is an amenable number.

234812945 is a deficient number, since it is larger than the sum of its proper divisors (53835415).

234812945 is a wasteful number, since it uses less digits than its factorization.

234812945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145475.

The product of its digits is 69120, while the sum is 38.

The square root of 234812945 is about 15323.6074408084. The cubic root of 234812945 is about 616.9368028387.

The spelling of 234812945 in words is "two hundred thirty-four million, eight hundred twelve thousand, nine hundred forty-five".