245443055403 has 64 divisors (see below), whose sum is σ = 413958272000. Its totient is φ = 128532096000.

The previous prime is 245443055399. The next prime is 245443055411. The reversal of 245443055403 is 304550344542.

It is not a de Polignac number, because 245443055403 - 2² = 245443055399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (245443055903) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1793403 + ... + 1925403.

It is an arithmetic number, because the mean of its divisors is an integer number (6468098000).

Almost surely, 2^245443055403 is an apocalyptic number.

245443055403 is a deficient number, since it is larger than the sum of its proper divisors (168515216597).

245443055403 is a wasteful number, since it uses less digits than its factorization.

245443055403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132177 (or 132163 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 39.

Adding to 245443055403 its reverse (304550344542), we get a palindrome (549993399945).

The spelling of 245443055403 in words is "two hundred forty-five billion, four hundred forty-three million, fifty-five thousand, four hundred three".