245772 has 18 divisors (see below), whose sum is σ = 621348. Its totient is φ = 81912.

The previous prime is 245771. The next prime is 245783. The reversal of 245772 is 277542.

It is a tau number, because it is divible by the number of its divisors (18).

It is a zygodrome in base 2.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 245772.

It is not an unprimeable number, because it can be changed into a prime (245771) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3378 + ... + 3449.

2²⁴⁵⁷⁷² is an apocalyptic number.

It is an amenable number.

245772 is an abundant number, since it is smaller than the sum of its proper divisors (375576).

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

245772 is a wasteful number, since it uses less digits than its factorization.

245772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6837 (or 6832 counting only the distinct ones).

The product of its digits is 3920, while the sum is 27.

The square root of 245772 is about 495.7539712398. The cubic root of 245772 is about 62.6389017389.

The spelling of 245772 in words is "two hundred forty-five thousand, seven hundred seventy-two".