245542244 has 24 divisors (see below), whose sum is σ = 453704160. Its totient is φ = 115952256.

The previous prime is 245542243. The next prime is 245542259. The reversal of 245542244 is 442245542.

245542244 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 245542244.

It is not an unprimeable number, because it can be changed into a prime (245542243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20819 + ... + 30405.

It is an arithmetic number, because the mean of its divisors is an integer number (18904340).

Almost surely, 2^245542244 is an apocalyptic number.

It is an amenable number.

245542244 is a deficient number, since it is larger than the sum of its proper divisors (208161916).

245542244 is a wasteful number, since it uses less digits than its factorization.

245542244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9947 (or 9945 counting only the distinct ones).

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

The square root of 245542244 is about 15669.7876182161. The cubic root of 245542244 is about 626.1937666356.

Adding to 245542244 its reverse (442245542), we get a palindrome (687787786).

The spelling of 245542244 in words is "two hundred forty-five million, five hundred forty-two thousand, two hundred forty-four".