234705145 has 16 divisors (see below), whose sum is σ = 299376000. Its totient is φ = 176030464.

The previous prime is 234705143. The next prime is 234705151. The reversal of 234705145 is 541507432.

It is a cyclic number.

It is not a de Polignac number, because 234705145 - 2¹ = 234705143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (234705143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17106 + ... + 27604.

It is an arithmetic number, because the mean of its divisors is an integer number (18711000).

Almost surely, 2^234705145 is an apocalyptic number.

It is an amenable number.

234705145 is a deficient number, since it is larger than the sum of its proper divisors (64670855).

234705145 is a wasteful number, since it uses less digits than its factorization.

234705145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10784.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 234705145 is about 15320.0895885109. The cubic root of 234705145 is about 616.8423787894.

The spelling of 234705145 in words is "two hundred thirty-four million, seven hundred five thousand, one hundred forty-five".