245394 has 12 divisors (see below), whose sum is σ = 531726. Its totient is φ = 81792.

The previous prime is 245389. The next prime is 245407. The reversal of 245394 is 493542.

It can be written as a sum of positive squares in only one way, i.e., 189225 + 56169 = 435^2 + 237^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 6799 + ... + 6834.

2²⁴⁵³⁹⁴ is an apocalyptic number.

245394 is an abundant number, since it is smaller than the sum of its proper divisors (286332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245394 is a wasteful number, since it uses less digits than its factorization.

245394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13641 (or 13638 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 245394 is about 495.3725870494. The cubic root of 245394 is about 62.6067721581.

The spelling of 245394 in words is "two hundred forty-five thousand, three hundred ninety-four".