245772366 has 64 divisors (see below), whose sum is σ = 600556032. Its totient is φ = 65452032.

The previous prime is 245772301. The next prime is 245772377. The reversal of 245772366 is 663277542.

245772366 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 74790 + ... + 78006.

It is an arithmetic number, because the mean of its divisors is an integer number (9383688).

Almost surely, 2^245772366 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245772366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300278016).

245772366 is an abundant number, since it is smaller than the sum of its proper divisors (354783666).

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

245772366 is a wasteful number, since it uses less digits than its factorization.

245772366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3353.

The product of its digits is 423360, while the sum is 42.

The square root of 245772366 is about 15677.1287549730. The cubic root of 245772366 is about 626.3893283251.

The spelling of 245772366 in words is "two hundred forty-five million, seven hundred seventy-two thousand, three hundred sixty-six".