243465 has 8 divisors (see below), whose sum is σ = 389568. Its totient is φ = 129840.

The previous prime is 243461. The next prime is 243469. The reversal of 243465 is 564342.

It is an interprime number because it is at equal distance from previous prime (243461) and next prime (243469).

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

It is not a de Polignac number, because 243465 - 2² = 243461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243461) 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, 8101 + ... + 8130.

It is an arithmetic number, because the mean of its divisors is an integer number (48696).

2²⁴³⁴⁶⁵ is an apocalyptic number.

It is an amenable number.

243465 is a deficient number, since it is larger than the sum of its proper divisors (146103).

243465 is a wasteful number, since it uses less digits than its factorization.

243465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16239.

The product of its digits is 2880, while the sum is 24.

The square root of 243465 is about 493.4217263153. The cubic root of 243465 is about 62.4422934022.

The spelling of 243465 in words is "two hundred forty-three thousand, four hundred sixty-five".