245664436 has 12 divisors (see below), whose sum is σ = 437199840. Its totient is φ = 120750200.

The previous prime is 245664401. The next prime is 245664439. The reversal of 245664436 is 634466542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245664439) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 520240 + ... + 520711.

It is an arithmetic number, because the mean of its divisors is an integer number (36433320).

Almost surely, 2^245664436 is an apocalyptic number.

It is an amenable number.

245664436 is a deficient number, since it is larger than the sum of its proper divisors (191535404).

245664436 is a wasteful number, since it uses less digits than its factorization.

245664436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041014 (or 1041012 counting only the distinct ones).

The product of its digits is 414720, while the sum is 40.

The square root of 245664436 is about 15673.6861012335. The cubic root of 245664436 is about 626.2976227359.

The spelling of 245664436 in words is "two hundred forty-five million, six hundred sixty-four thousand, four hundred thirty-six".