245212305044 has 18 divisors (see below), whose sum is σ = 499182192810. Its totient is φ = 105090987792.

The previous prime is 245212305011. The next prime is 245212305047. The reversal of 245212305044 is 440503212542.

It can be written as a sum of positive squares in only one way, i.e., 243611344900 + 1600960144 = 493570^2 + 40012^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 245212305044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245212305047) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 625541399 + ... + 625541790.

It is an arithmetic number, because the mean of its divisors is an integer number (27732344045).

Almost surely, 2^245212305044 is an apocalyptic number.

It is an amenable number.

245212305044 is an abundant number, since it is smaller than the sum of its proper divisors (253969887766).

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

245212305044 is a wasteful number, since it uses less digits than its factorization.

245212305044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251083207 (or 1251083198 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 245212305044 its reverse (440503212542), we get a palindrome (685715517586).

The spelling of 245212305044 in words is "two hundred forty-five billion, two hundred twelve million, three hundred five thousand, forty-four".