245221140232 has 16 divisors (see below), whose sum is σ = 459844703100. Its totient is φ = 122595886080.

The previous prime is 245221140221. The next prime is 245221140239. The reversal of 245221140232 is 232041122542.

It can be written as a sum of positive squares in 2 ways, for example, as 244979462116 + 241678116 = 494954^2 + 15546^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 245221140232.

It is not an unprimeable number, because it can be changed into a prime (245221140239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1764369 + ... + 1898272.

Almost surely, 2^245221140232 is an apocalyptic number.

It is an amenable number.

245221140232 is a deficient number, since it is larger than the sum of its proper divisors (214623562868).

245221140232 is a wasteful number, since it uses less digits than its factorization.

245221140232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3671016 (or 3671012 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 245221140232 its reverse (232041122542), we get a palindrome (477262262774).

The spelling of 245221140232 in words is "two hundred forty-five billion, two hundred twenty-one million, one hundred forty thousand, two hundred thirty-two".