245805964 has 48 divisors (see below), whose sum is σ = 462309120. Its totient is φ = 114022080.

The previous prime is 245805929. The next prime is 245805979. The reversal of 245805964 is 469508542.

It is a self number, because there is not a number n which added to its sum of digits gives 245805964.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1357954 + ... + 1358134.

It is an arithmetic number, because the mean of its divisors is an integer number (9631440).

Almost surely, 2^245805964 is an apocalyptic number.

It is an amenable number.

245805964 is a deficient number, since it is larger than the sum of its proper divisors (216503156).

245805964 is a wasteful number, since it uses less digits than its factorization.

245805964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478 (or 476 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

The square root of 245805964 is about 15678.2002793688. The cubic root of 245805964 is about 626.4178702778.

The spelling of 245805964 in words is "two hundred forty-five million, eight hundred five thousand, nine hundred sixty-four".