245605444 has 18 divisors (see below), whose sum is σ = 499982910. Its totient is φ = 105259392.

The previous prime is 245605439. The next prime is 245605469. The reversal of 245605444 is 444506542.

245605444 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 125440000 + 120165444 = 11200^2 + 10962^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 626349 + ... + 626740.

Almost surely, 2^245605444 is an apocalyptic number.

It is an amenable number.

245605444 is an abundant number, since it is smaller than the sum of its proper divisors (254377466).

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

245605444 is a wasteful number, since it uses less digits than its factorization.

245605444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253107 (or 1253098 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

The square root of 245605444 is about 15671.8041080151. The cubic root of 245605444 is about 626.2474872642.

The spelling of 245605444 in words is "two hundred forty-five million, six hundred five thousand, four hundred forty-four".