245773305 has 32 divisors (see below), whose sum is σ = 440824320. Its totient is φ = 129911040.

The previous prime is 245773273. The next prime is 245773327. The reversal of 245773305 is 503377542.

It is not a de Polignac number, because 245773305 - 2⁵ = 245773273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 245773305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7200 + ... + 23310.

It is an arithmetic number, because the mean of its divisors is an integer number (13775760).

Almost surely, 2^245773305 is an apocalyptic number.

It is an amenable number.

245773305 is a deficient number, since it is larger than the sum of its proper divisors (195051015).

245773305 is a wasteful number, since it uses less digits than its factorization.

245773305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16238 (or 16232 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 36.

The square root of 245773305 is about 15677.1587030303. The cubic root of 245773305 is about 626.3901260536.

The spelling of 245773305 in words is "two hundred forty-five million, seven hundred seventy-three thousand, three hundred five".