245954499844 has 81 divisors (see below), whose sum is σ = 470510430453. Its totient is φ = 112478738400.

The previous prime is 245954499823. The next prime is 245954499877. The reversal of 245954499844 is 448994459542.

The square root of 245954499844 is 495938.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1167042244 + 244787457600 = 34162^2 + 494760^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 245954499844.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 584214754 + ... + 584215174.

Almost surely, 2^245954499844 is an apocalyptic number.

245954499844 is the 495938-th square number.

It is an amenable number.

245954499844 is a deficient number, since it is larger than the sum of its proper divisors (224555930609).

245954499844 is an equidigital number, since it uses as much as digits as its factorization.

245954499844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946 (or 473 counting only the distinct ones).

The product of its digits is 298598400, while the sum is 67.

The spelling of 245954499844 in words is "two hundred forty-five billion, nine hundred fifty-four million, four hundred ninety-nine thousand, eight hundred forty-four".