245311454542203 has 80 divisors (see below), whose sum is σ = 423992732234400. Its totient is φ = 140170418196480.

The previous prime is 245311454542153. The next prime is 245311454542211. The reversal of 245311454542203 is 302245454113542.

245311454542203 is a `hidden beast` number, since 2 + 4 + 5 + 31 + 1 + 4 + 54 + 542 + 20 + 3 = 666.

It is not a de Polignac number, because 245311454542203 - 2⁶ = 245311454542139 is a prime.

It is a super-2 number, since 2×245311454542203² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (245311454522203) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1338002443 + ... + 1338185771.

It is an arithmetic number, because the mean of its divisors is an integer number (5299909152930).

Almost surely, 2^{245311454542203} is an apocalyptic number.

245311454542203 is a deficient number, since it is larger than the sum of its proper divisors (178681277692197).

245311454542203 is an equidigital number, since it uses as much as digits as its factorization.

245311454542203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204007 (or 203980 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 45.

The spelling of 245311454542203 in words is "two hundred forty-five trillion, three hundred eleven billion, four hundred fifty-four million, five hundred forty-two thousand, two hundred three".