245765384 has 8 divisors (see below), whose sum is σ = 460810110. Its totient is φ = 122882688.

The previous prime is 245765381. The next prime is 245765417. The reversal of 245765384 is 483567542.

It can be written as a sum of positive squares in only one way, i.e., 138062500 + 107702884 = 11750^2 + 10378^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (245765381) by changing a digit.

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 as a sum of consecutive naturals, namely, 15360329 + ... + 15360344.

Almost surely, 2^245765384 is an apocalyptic number.

It is an amenable number.

245765384 is a deficient number, since it is larger than the sum of its proper divisors (215044726).

245765384 is a wasteful number, since it uses less digits than its factorization.

245765384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30720679 (or 30720675 counting only the distinct ones).

The product of its digits is 806400, while the sum is 44.

The square root of 245765384 is about 15676.9060723090. The cubic root of 245765384 is about 626.3833966958.

The spelling of 245765384 in words is "two hundred forty-five million, seven hundred sixty-five thousand, three hundred eighty-four".