245422544 has 40 divisors (see below), whose sum is σ = 502170240. Its totient is φ = 115872768.

The previous prime is 245422537. The next prime is 245422561. The reversal of 245422544 is 445224542.

It is a self number, because there is not a number n which added to its sum of digits gives 245422544.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 106169 + ... + 108455.

It is an arithmetic number, because the mean of its divisors is an integer number (12554256).

Almost surely, 2^245422544 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 245422544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251085120).

245422544 is an abundant number, since it is smaller than the sum of its proper divisors (256747696).

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

245422544 is a wasteful number, since it uses less digits than its factorization.

245422544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2667 (or 2661 counting only the distinct ones).

The product of its digits is 51200, while the sum is 32.

The square root of 245422544 is about 15665.9677007199. The cubic root of 245422544 is about 626.0919951766.

The spelling of 245422544 in words is "two hundred forty-five million, four hundred twenty-two thousand, five hundred forty-four".