245371025444 has 12 divisors (see below), whose sum is σ = 454658076684. Its totient is φ = 115468717824.

The previous prime is 245371025411. The next prime is 245371025467. The reversal of 245371025444 is 444520173542.

It can be written as a sum of positive squares in 2 ways, for example, as 175299641344 + 70071384100 = 418688^2 + 264710^2 .

It is an unprimeable number.

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, 1804198649 + ... + 1804198784.

It is an arithmetic number, because the mean of its divisors is an integer number (37888173057).

Almost surely, 2^245371025444 is an apocalyptic number.

It is an amenable number.

245371025444 is a deficient number, since it is larger than the sum of its proper divisors (209287051240).

245371025444 is a wasteful number, since it uses less digits than its factorization.

245371025444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3608397454 (or 3608397452 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 41.

Adding to 245371025444 its reverse (444520173542), we get a palindrome (689891198986).

The spelling of 245371025444 in words is "two hundred forty-five billion, three hundred seventy-one million, twenty-five thousand, four hundred forty-four".