245143525450 has 24 divisors (see below), whose sum is σ = 475791609888. Its totient is φ = 93794044080.

The previous prime is 245143525423. The next prime is 245143525469. The reversal of 245143525450 is 54525341542.

It is an unprimeable number.

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, 106582992 + ... + 106585291.

It is an arithmetic number, because the mean of its divisors is an integer number (19824650412).

Almost surely, 2^245143525450 is an apocalyptic number.

245143525450 is a deficient number, since it is larger than the sum of its proper divisors (230648084438).

245143525450 is a wasteful number, since it uses less digits than its factorization.

245143525450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213168318 (or 213168313 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 40.

Adding to 245143525450 its reverse (54525341542), we get a palindrome (299668866992).

The spelling of 245143525450 in words is "two hundred forty-five billion, one hundred forty-three million, five hundred twenty-five thousand, four hundred fifty".