245788 has 12 divisors (see below), whose sum is σ = 440440. Its totient is φ = 119952.

The previous prime is 245783. The next prime is 245789. The reversal of 245788 is 887542.

It is a plaindrome in base 10.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245783) by changing a digit.

245788 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 543 + ... + 886.

2²⁴⁵⁷⁸⁸ is an apocalyptic number.

It is an amenable number.

245788 is a deficient number, since it is larger than the sum of its proper divisors (194652).

245788 is a wasteful number, since it uses less digits than its factorization.

245788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476 (or 1474 counting only the distinct ones).

The product of its digits is 17920, while the sum is 34.

The square root of 245788 is about 495.7701080138. The cubic root of 245788 is about 62.6402609942.

The spelling of 245788 in words is "two hundred forty-five thousand, seven hundred eighty-eight".