234745 has 16 divisors (see below), whose sum is σ = 339840. Its totient is φ = 152064.

The previous prime is 234743. The next prime is 234749. The reversal of 234745 is 547432.

It is a cyclic number.

It is not a de Polignac number, because 234745 - 2¹ = 234743 is a prime.

It is an alternating number because its digits alternate between even and odd.

234745 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (234743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 489 + ... + 841.

It is an arithmetic number, because the mean of its divisors is an integer number (21240).

2²³⁴⁷⁴⁵ is an apocalyptic number.

It is an amenable number.

234745 is a deficient number, since it is larger than the sum of its proper divisors (105095).

234745 is a wasteful number, since it uses less digits than its factorization.

234745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384.

The product of its digits is 3360, while the sum is 25.

The square root of 234745 is about 484.5049019360. The cubic root of 234745 is about 61.6877291902.

It can be divided in two parts, 23474 and 5, that multiplied together give a triangular number (117370 = T₄₈₄).

The spelling of 234745 in words is "two hundred thirty-four thousand, seven hundred forty-five".