245452342312 has 8 divisors (see below), whose sum is σ = 460223141850. Its totient is φ = 122726171152.

The previous prime is 245452342277. The next prime is 245452342313. The reversal of 245452342312 is 213243254542.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 239537809476 + 5914532836 = 489426^2 + 76906^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (245452342313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15340771387 + ... + 15340771402.

Almost surely, 2^245452342312 is an apocalyptic number.

It is an amenable number.

245452342312 is a deficient number, since it is larger than the sum of its proper divisors (214770799538).

245452342312 is a wasteful number, since it uses less digits than its factorization.

245452342312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30681542795 (or 30681542791 counting only the distinct ones).

The product of its digits is 230400, while the sum is 37.

Adding to 245452342312 its reverse (213243254542), we get a palindrome (458695596854).

The spelling of 245452342312 in words is "two hundred forty-five billion, four hundred fifty-two million, three hundred forty-two thousand, three hundred twelve".