245554020243543 has 32 divisors (see below), whose sum is σ = 358253574624000. Its totient is φ = 148368926534400.

The previous prime is 245554020243533. The next prime is 245554020243589. The reversal of 245554020243543 is 345342020455542.

It is not a de Polignac number, because 245554020243543 - 2⁴ = 245554020243527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 245554020243492 and 245554020243501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245554020243533) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1186669573 + ... + 1186876481.

It is an arithmetic number, because the mean of its divisors is an integer number (11195424207000).

Almost surely, 2^{245554020243543} is an apocalyptic number.

245554020243543 is a deficient number, since it is larger than the sum of its proper divisors (112699554380457).

245554020243543 is a wasteful number, since it uses less digits than its factorization.

245554020243543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315903.

The product of its (nonzero) digits is 11520000, while the sum is 48.

The spelling of 245554020243543 in words is "two hundred forty-five trillion, five hundred fifty-four billion, twenty million, two hundred forty-three thousand, five hundred forty-three".