245465 has 8 divisors (see below), whose sum is σ = 321408. Its totient is φ = 178480.

The previous prime is 245437. The next prime is 245471. The reversal of 245465 is 564542.

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

It is not a de Polignac number, because 245465 - 2⁸ = 245209 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2177 + ... + 2286.

It is an arithmetic number, because the mean of its divisors is an integer number (40176).

2²⁴⁵⁴⁶⁵ is an apocalyptic number.

It is an amenable number.

245465 is a deficient number, since it is larger than the sum of its proper divisors (75943).

245465 is a wasteful number, since it uses less digits than its factorization.

245465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4479.

The product of its digits is 4800, while the sum is 26.

The square root of 245465 is about 495.4442450973. Note that the first 3 decimals coincide. The cubic root of 245465 is about 62.6128095948.

The spelling of 245465 in words is "two hundred forty-five thousand, four hundred sixty-five".