245530044 has 36 divisors (see below), whose sum is σ = 640669120. Its totient is φ = 79202880.

The previous prime is 245530007. The next prime is 245530049. The reversal of 245530044 is 440035542.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245530049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108889 + ... + 111120.

Almost surely, 2^245530044 is an apocalyptic number.

It is an amenable number.

245530044 is an abundant number, since it is smaller than the sum of its proper divisors (395139076).

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

245530044 is a wasteful number, since it uses less digits than its factorization.

245530044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220050 (or 220045 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 245530044 is about 15669.3983292276. The cubic root of 245530044 is about 626.1833954528.

Adding to 245530044 its reverse (440035542), we get a palindrome (685565586).

The spelling of 245530044 in words is "two hundred forty-five million, five hundred thirty thousand, forty-four".