234545 has 8 divisors (see below), whose sum is σ = 286440. Its totient is φ = 184320.

The previous prime is 234541. The next prime is 234547. The reversal of 234545 is 545432.

234545 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in 4 ways, for example, as 289 + 234256 = 17^2 + 484^2 .

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

It is not a de Polignac number, because 234545 - 2² = 234541 is a prime.

It is a super-2 number, since 2×234545² = 110022714050, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 234545.

It is not an unprimeable number, because it can be changed into a prime (234541) 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, 80 + ... + 689.

It is an arithmetic number, because the mean of its divisors is an integer number (35805).

2²³⁴⁵⁴⁵ is an apocalyptic number.

It is an amenable number.

234545 is a deficient number, since it is larger than the sum of its proper divisors (51895).

234545 is an equidigital number, since it uses as much as digits as its factorization.

234545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835.

The product of its digits is 2400, while the sum is 23.

The square root of 234545 is about 484.2984616949. The cubic root of 234545 is about 61.6702051374.

Adding to 234545 its reverse (545432), we get a palindrome (779977).

The spelling of 234545 in words is "two hundred thirty-four thousand, five hundred forty-five".