245918464 has 108 divisors (see below), whose sum is σ = 572520312. Its totient is φ = 104980480.

The previous prime is 245918437. The next prime is 245918471. The reversal of 245918464 is 464819542.

It is a super-2 number, since 2×245918464² = 120951781872238592, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 245918464.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 526359 + ... + 526825.

It is an arithmetic number, because the mean of its divisors is an integer number (5301114).

Almost surely, 2^245918464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245918464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286260156).

245918464 is an abundant number, since it is smaller than the sum of its proper divisors (326601848).

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

245918464 is a wasteful number, since it uses less digits than its factorization.

245918464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522 (or 497 counting only the distinct ones).

The product of its digits is 276480, while the sum is 43.

The square root of 245918464 is about 15681.7876531982. The cubic root of 245918464 is about 626.5134216100.

The spelling of 245918464 in words is "two hundred forty-five million, nine hundred eighteen thousand, four hundred sixty-four".