234700145 has 4 divisors (see below), whose sum is σ = 281640180. Its totient is φ = 187760112.

The previous prime is 234700127. The next prime is 234700157. The reversal of 234700145 is 541007432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 61277584 + 173422561 = 7828^2 + 13169^2 .

It is a cyclic number.

It is not a de Polignac number, because 234700145 - 2¹⁰ = 234699121 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23470010 + ... + 23470019.

It is an arithmetic number, because the mean of its divisors is an integer number (70410045).

Almost surely, 2^234700145 is an apocalyptic number.

It is an amenable number.

234700145 is a deficient number, since it is larger than the sum of its proper divisors (46940035).

234700145 is an equidigital number, since it uses as much as digits as its factorization.

234700145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46940034.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 234700145 is about 15319.9264032175. The cubic root of 234700145 is about 616.8379984937.

Adding to 234700145 its reverse (541007432), we get a palindrome (775707577).

The spelling of 234700145 in words is "two hundred thirty-four million, seven hundred thousand, one hundred forty-five".