245073 has 8 divisors (see below), whose sum is σ = 329536. Its totient is φ = 162000.

The previous prime is 245071. The next prime is 245083. The reversal of 245073 is 370542.

It is a happy number.

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

It is not a de Polignac number, because 245073 - 2¹ = 245071 is a prime.

It is a Duffinian number.

245073 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (245071) 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 7 ways as a sum of consecutive naturals, for example, 183 + ... + 723.

It is an arithmetic number, because the mean of its divisors is an integer number (41192).

2²⁴⁵⁰⁷³ is an apocalyptic number.

It is an amenable number.

245073 is a deficient number, since it is larger than the sum of its proper divisors (84463).

245073 is a wasteful number, since it uses less digits than its factorization.

245073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 245073 is about 495.0484824742. The cubic root of 245073 is about 62.5794615975.

The spelling of 245073 in words is "two hundred forty-five thousand, seventy-three".