245255443042 has 8 divisors (see below), whose sum is σ = 368171252316. Its totient is φ = 122531692272.

The previous prime is 245255443007. The next prime is 245255443049. The reversal of 245255443042 is 240344552542.

It can be written as a sum of positive squares in 2 ways, for example, as 207198846481 + 38056596561 = 455191^2 + 195081^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 245255442986 and 245255443004.

It is not an unprimeable number, because it can be changed into a prime (245255443049) 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 3 ways as a sum of consecutive naturals, for example, 48011433 + ... + 48016540.

Almost surely, 2^245255443042 is an apocalyptic number.

245255443042 is a deficient number, since it is larger than the sum of its proper divisors (122915809274).

245255443042 is a wasteful number, since it uses less digits than its factorization.

245255443042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96029252.

The product of its (nonzero) digits is 768000, while the sum is 40.

Adding to 245255443042 its reverse (240344552542), we get a palindrome (485599995584).

The spelling of 245255443042 in words is "two hundred forty-five billion, two hundred fifty-five million, four hundred forty-three thousand, forty-two".